Answer:
(m+10)(m-9)
Step-by-step explanation:
To factor this equation we want to find two numbers that multiply to -90 but also add/subtract to 1.
Those two numbers are 10 and -9 (10×-9=-90, 10-9=1)
Answer:
[tex](m-9)(m+10)[/tex]
Step-by-step explanation:
When you are given an expression in this format
[tex]ax^2+bx+c[/tex]
You must find two numbers that add up to b while the product is c.
You do trial and error to figure it out for your equation.
[tex]m^2+m-90[/tex]
Hmm... what two numbers add up to 1 and multiplied together equal -90.
Start off with pairs that can equal 90.
45 2
18 5
9 10
Ok, well 45 * 2 does equal 90 but 45 + 2 = 47and 45 + -2 = 43 but there's no way I can make it equal to 1. Next!
18 * 5 equals 90 but 18 + -5 = 13 and 18 + 5 = 23, I can just tell that there's no way I can make this equal to 1.
9 * 10 equals 90, 9 + 10 = 19 but 9 + -10 = -1. Now, that's interesting, We have -1 but we need 1. All we have to do is flip the order. 10 + -9 = 1. And -9 * 10 = -90, PERFECT!
Now use the two numbers and put it in factored form.
[tex](m-9)(m+10)[/tex]
Help Please!!
-5/k + 1 for k = -1
Answer:
6
Step-by-step explanation:
[tex]\frac{-5}{k} + 1\\\frac{-5}{-1} + 1\\5+1 = 6[/tex]
What is 0.071 as a fraction in lowest terms?
71/10
71/1000
71/50
71/100
Answer:
71/1000
Step-by-step explanation:
cause ik math and I really not smart at the.same time
0.071 as a fraction in the lowest term is [tex]\frac{71}{1000}[/tex]
What is the lowest term?If the numerator and denominator of a fraction are relatively prime, that is, if they only share the number one, then the fraction is said to be stated in the lowest terms.0.071 in fraction is [tex]\frac{71}{1000}[/tex]
because 71 and 1000 don't have greatest common factor so the lowest term is also the same.
Therefore, 0.071 as a fraction in the lowest term is
To learn more about the lowest term, refer to
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Evaluate 2(x + 1) - 3 when x = 6.
A. 11
B. 10
C. 5
O D. 8
Answer:
it should be A. 11
Step-by-step explanation:
2(6+1)-3
12+2=14
14-3= 11
A local hamburger shop sold a combined total of 575 hamburgers and cheeseburgers on Sunday. There were 75 fewer cheeseburgers sold than hamburgers. How many hamburgers were sold on Sunday?
Answer:
250 Hamburgers
Step-by-step explanation:
575 is total
Hamburger is x
Cheesburgers is (x-75) as it is 75 less than the number of hamburgers
x + (x-75) = 575
2x -75 = 575
2x = 500
x = 250
Feel free to mark this as brainliest! :D
hii I need help with this, can someone explain?
Answer:
7
Step-by-step explanation:
What is 0.000000037 written in scientific notation?
The scientific notation is 3.7 × 10^-8
:)
Solve the systems of equation by graphing
#a
Refer to attachment 1
#b
Refer to attachment 2
compounds are pure substances. What other substances are considered pure substances? A: chemical reactions B: elements C: mixtures D: solutions
Answer:
Step-by-step explanation:
B
Please help me with algebra!!
Hello!
Answer:
-11
Hope this helps!
A 14 ounce can of tomatoes costs $2.80. How much money per ounce do the cans cost?
Answer:
$39.2 per pound
Step-by-step explanation:
First off, you know that there are 14 ounces of tomato.
Then you know that each can cost $2.80
After that, you have to multiply 14*2.80 to get $39.2
So the answer is $39.2
Hope this help you :)
Convert to Slope-Intercept Form to graph 3x + 2y = 8.
Answer:
y= - 3/2x+4 or y= - 1.5x+4
Step-by-step explanation:
Slope Intercept Form: y=mx+b
3x+2y=8
2y= - 3x+8
y= - 3/2x+4 or y= - 1.5x+4
Convert to Slope-Intercept Form to graph 3x + 2y = 8.The Slope : -3/2The y-intercept: y = -3x/2 + 4
What is Slope?
The ratio of how much y grows as x grows by a certain amount is known as a line's slope. The slope of a line indicates how steep it is, or how much y rises as x rises. Anywhere along the line, the slope remains constant (the same).
Solve the equation for y resulting in the y = mx + b
Where,
m = slope
b = the y intercept think b beginning.
3x + 2y = 8
Subtracting 3x both side
3x + 2y - 3x = 8 - 3x2y = 8 - 3x
Dividing both side by 22y/2 = 8/2 - 3x/2y = 4 - 3x/2y = -3x/2 + 4
So, m = -3/2and b = 4
Hence, Slope-intercept is y = -3x/2 + 4
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1,200 divided by 45=
Answer:
26.66666666666667
Step-by-step explanation:
1200/45=
I don't understand this question can someone help me with this please, please explain!! and thank you for the help!! If u dont know try your best :D
Answer:
Question 1 : B) (8 x 20) - (8 x 1)
Question 2 : D) (2 x 9) + (2 x 3)
Step-by-step explanation:
Distributive Property is used in algebraic expressions, to divide the equation, to make it easier to solve. For question 1, since it was 20, you must subtract 8 from that answer, because 20 is 1 more than 19. For question 2, (2 x 9) + (2 x 3) would be the same thing as 2(9+3).
-kiniwih426
Answer:
B) (8 x 20) - (8 x 1)
D) (2 x 9) + (2 x 3)
Step-by-step explanation:
Distributive Property: "The distributive property tells us how to solve expressions in the form of a(b + c)."
___________________
Step 1: 8 x 19 = 152
Using PEMDAS, you can see which order to solve the equations in.
PEMDAS tells us to solve whatever is within the parenthesis first but there are 2 parenthesis and both have multiplication so just solve the first parenthesis first;
8 x 20 = 160
Step 2: We now have to solve the second parenthesis;
8 x 1 = 8
Step 3: Using PEMDAS, we see that after we solve the parenthesis, we do subtraction. So subtract 8 from 160.
160 - 8 = 152
So your answer is B) (8 x 20) - (8 x 1).
___________________
Step 1: 2(9 + 3)
Using the Distributive property, we multiply 2 by 9 and 3;
2 x 9 = 18
2 x 3 = 6
Now you are left with 18 + 6.
18 + 6 = 24
So your answer is D) (2 x 9) + (2 x 3).
___________________
Hope this Helps! :)
ratio x : y is 3: 1
Which of the following statements is correct?
A x 3/4 of y
B y is 1/3 of x
C x is 1/3 of y
D y is 1/4 of x
Answer:
D
Step-by-step explanation:
1+3=4
1 out of 4 =1/4
remember x is bigger than y
solve this equation 8+8x=8
Hello!
Answer:
x=0
Step-by-step explanation:
Hope this helps!
Answer: The correct answer is: " x = 0 " .
________
Step-by-step explanation:
Given: " 8 + 8x = 8 " ; Solve for "x" ;
________
Method 1)
________
Subtract "8" from each side of the equation:
________
→ " 8 + 8x − 8 = 8 − 8 " ;
→ On the "left-hand side" of the equation:
Note the following "like terms" :
" +8 − 8 = 0 " ;
→ and we are left with "8x" on the "left-hand side" of the equation.
→ On the "right hand side" of the equation:
The "(8 − 8)" = 0 ;
________
And we are left with:
→ " 8x = 0 " ;
________
Now, divide each side of the equation by "8" ;
to isolate "x" on one side of the equation;
& to solve for "x" :
________
→ 8x / 8 = 0/8 ;
to get:
→ " x = 0 " ;
→ which is the correct answer.
________
Method 2)
________
Given: " 8 + 8x = 8 " ; Solve for "x" ;
________
Subtract "8" from each side of the equation; in the following manner:
________
8 + 8x = 8 ;
- 8 = - 8 ;
_____________
0 + 8x = 0 ;
→ We have: " 0 + 8x = 0 " ;
→ Note: On the "left-hand side" ; we have:
" 0 + 8x " ;
We can simplify this to "8x" ; since the "addition property of zero" states that when "0" is added to any value; the resulting value does not change.
Now, we can bring down the "0" from the "right-hand side" of the equation;
And we can rewrite our equation as:
________
→ " 8x = 0 " ;
Now, divide each side of the equation by "8" ;
to isolate "x" on one side of the equation;
& to solve for "x" :
________
→ 8x / 8 = 0/8 ;
to get:
→ " x = 0 " ;
→ which is the correct answer.
________
Method 3)
________
Given: " 8 + 8x = 8 " ; Solve for "x" ;
________
Divide each side of the equation by "8" ;
________
→ " [tex]\frac{(8 + 8x)}{8} =\frac{8}{8}[/tex] " ;
________
To solve:
________
Note: On the "right-hand side" of the equation:
________
Take note that: " [tex]\frac{8}{8} =[/tex] (8 ÷ 8) = 1 " ;
________
Rewrite the equation as:
________
→ " [tex]\frac{(8 + 8x)}{8} =1[/tex] " ;
________
To solve:
________
Note: " [tex]\frac{x}{y} = z[/tex] " ; ↔ [tex]x = z*y[/tex] ; [tex](y\neq 0)[/tex] ;
________
→ " [tex]\frac{(8 + 8x)}{8} =1[/tex] " ;
→ From the "left-hand side" of the equation;
Let us simplify:
________
→ " [tex]\frac{(8 + 8x)}{8} = \frac{8}{8} + \frac{8x}{8} = 1 + x[/tex] " ;
Now, bring down the "1" from the "right-hand side" of the equation;
and rewrite the equation:
________
→ " 1 + x = 1 " ;
Now, subtract "1" from each side of the equation;
to isolate "x" on one side of the equation;
& to solve for "x" :
________
" 1 + x − 1 = 1 − 1 " ;
→ On the "left-hand side" of the equation:
Note the following "like terms" :
+1 − 1 = 0 " ;
→ and we are left with "x" on the "left-hand side" of the equation.
→ On the "right hand side" of the equation:
The "(1 − 1)" = 0 ;
→ And we are left with:
→ " x = 0 " ;
→ which is the correct answer!
________
The correct answer is: " x = 0 " .
________
Hope that this answer—and the corresponding explanations—
are helpful !
WIshing you the best!
________
If r = 2,440, then what is 29.3r?
Answer:
29.3r
29.3x2440
=71,492
Which of the following is a solution to the equation 1649
Answer:
But what do we have to do ? like add subtract or multiply? i dont know
Step-by-step explanation:
help pls i don’t know it!!!!
Hello!
Answer:
The answer is C
Step-by-step explanation:
I wrote it in to my graphing calculator
Hope this helps!
hey I'm helping my sister with her homework and I sadly suck at these so cam someone please help me.:)
put these fractions from least to greatest
3/4 3/5 3/7
3/7, 3/5, 3/4
if you draw out a illustration representing each fraction, you would find the answer.
hope this helped.
9x2y3, for x= 5 and y=3.
Answer:
if you tell me what it means I can help you
Perform the indicated operation and simplify the result. x/5+x/6
Hello loll6591!
[tex] \huge \boxed{\mathbb{QUESTION} \downarrow}[/tex]
Perform the indicated operation and simplify the result. x/5+x/6
[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]
[tex] \frac{x}{5} + \frac{x}{6} \\ [/tex]
First, find the LCM of 5 & 6, which is 30.
[tex] \rightarrow \frac{x}{5} \times \frac{6}{6} = \frac{6x}{30} \\ \\ \rightarrow\frac{x}{6} \times \frac{5}{5} = \frac{5x}{30} [/tex]
Now add 6x/30 with 5x/30.
[tex] \frac{6x}{30} + \frac{5x}{30} \\ = \frac{6x + 5x}{30} \\ = \large \boxed{\boxed{\frac{11x}{30} }}[/tex]
__________________
Hope it'll help you!
ℓucαzz ッ
Maria conducted an in-person pre-election survey about voter preferences in the Democratic primary. She found that nearly all respondents (98 percent) were open to supporting a woman candidate. However, in the anonymous follow-up survey that re-interviewed the respondents, only 80 percent responded that they would be open to supporting a woman candidate. What could be generating these different results
Answer:
the social desirability effect
Step-by-step explanation:
Social-desirability biases is the sort of response bias that is the tendency of the survey respondent to answer the question in a manner that is favorable to others.
As Maria found that most respondents 98% of the voters were open to support women candidates. The social desirably bias poses a serious problem during the self-reporting as the bias interferes with the interpretations of the average tendencies. As however during the anonymous survey of the voters or respondents showed only 80% of them would support the women candidate.Hence the social desirability bias is the main culprit for such a response.
Learn more about the Maria conducted an in-person pre-election survey about voter preferences.
brainly.com/question/16593814.
Shannon’s rectangular countertop is 3 feet wide. It is 3 times as long as it is wide.
Answer:
The area of the countertops surface is 27 square feet. The perimeter of the countertop is 24 feet.
Step-by-step explanation:
COMPUTATION:
Area:
width = 3 feet
length = width x 3 = 9 feet
wl = 27 square feet
Perimeter:
width = 3 feet
length = 9 feet
w + l + w + l = 24 feet
Hope this helps!
what is 2.4% of 20 rounded to the nearest tenth(as a decimal)
Fake answers will be reported
Answer:
0.5
Step-by-step explanation:
convert 2.4% to .024 just by moving it two spaces to the left!
(.024)(20) = .48
because your teacher may want it rounded to the nearest tenth, just round one up!
.48 ------> 0.5
comment or message me if you have questions :)
Answer:
0.5
Step-by-step explanation:
1,3,4,6,9 pls help me
Answer:
1: double a number
3: the product of 18 and a number subtracted from the square of another number
4: x+14
6: 7+11x
9: n raised to the power of three + 5
what is the equation for the quadratic formula?
Algebra 2 ............
The equation of the line through the point (-4, 7) and with a slope of -5/2 is y = -5/2x - 3
The equation of a line in slope intercept form is expressed as:
[tex]y-y_0 = m(x-x_0)[/tex]
m is the slope
(x0, y0) is the point on the line.
Given the following parameters:
m = -5/2 and (x0, y0) =(-4, 7)
Substitute the given coordinates into the formula above;
y - 7 = -5/2(x + 4)
2(y-7) = -5(x+4)
2y-14 = -5x - 20
2y = -5x - 20 + 14
2y = -5x - 6
y = -5/2x - 3
Hence the equation of the line through the point (-4, 7) and with a slope of -5/2 is y = -5/2x - 3
Learn more here: https://brainly.com/question/17003809
Did I do this right?
Answer:
3CuCl2 + 2Ni → 3Cu + 2NiCl3
help me pls ASAP pls ASAP
Answer:
hi lets be friends oki and by the way im a 4th grader
Find three consecutive even integers whose sum is 120?
Answer:
40 40 40 is 120
38 40 42 is 120
Step-by-step explanation: