4
Step-by-step explanation:
5/7 × 0.25 = 5/7 ÷ a
25/100 = 1/a
25a = 100
a = 100/25
a = 4
find the y-intercept of the parabola y=x^2-5x+9/2
Answer:
To find the Y-intercept substitute in 0 for all the x's and solve for Y
Your answer would be (0,9/2)
Steps:
Y=0^2-5(0)+9/2
0^2 -5(0)=0
Y=9/2
0 is your x place
and 9/2 is your Y intercept
Answer:
y-intercept = 9/2 or 4.5
Step-by-step explanation:
In the given quadratic equation, y = x² - 5x + 9/2, where:
a = 1, b = -5, and c = 9/2
The y-intercept is the point at which the parabola crosses the y-axis, and occurs at point (0, c ). It is the value of y when x = 0. To find out what I mean by this, we can substitute the value of x = 0 into the quadratic equation:
y = x² - 5x + 9/2
y = (0)² - 5(0) + 9/2
y = 0 - 0 + 9/2
y = 9/2
Therefore, the y-intercept (c) = 9/2, and has coordinates, (0, 9/2) or (0, 4.5).
Attached is a screenshot of the graph, where it shows the y-intercept.
Please mark my answers as the Brainliest, if you find my explanations helpful :)
Pls help ASAP pls it’s reasoning with fractions
3 out of 100 is what percentage?
A 3%
B 30%
C 18%
D 100%
Answer:A 3%
Step-by-step explanation:
Find the difference 701 and 413
Answer:
I believe its 288 I might be wrong but it's worth a shot
need help asap on 9, 10,and 11
Step-by-step explanation:
9. a)
2•(-2) = 2 - 6
-4 = -4
-2 -2 = -2•2
-4 = -4
Yes, the ordered pair is the solution
9. b)
-1 = 3•(-2) +5
-1 = -6 +5
-1 = -1
3•(-2) +(-1) = -2
-6 -1 = -2
-7 ≠ -2
No, the ordered pair is not the solution
10. (-1, -1) and (3, -1)
11.
y = 6 +x
Now substitute it in the first equation:
3•(6 +x) = 5x
18 + 3x = 5x
18 = 2x
x = 18/2
x = 9
Now, substitute x = 9 in the second equation:
y -9 = 6
y = 6 +9
y = 15
SOMEONE PLEASE HELP!!!
3×(-9)-(-15)+2
Answer:
-10Step-by-step explanation:
3×(-9)-(-15)+2 = -27 + 15 + 2 = -10Done
The total temperature measured by 3 thermometers was −15 degrees Fahrenheit.
What was the average temperature measured by the 3 thermometers?
Answer:
-15 ÷ 3 = -5
Step-by-step explanation:
If 3 thermometers totaled -15, then they share that value equally.
Write a two-column proof.
Given m<4 =35, m<1= m<2 + m<4.
Prove m<3 = 70
Answer:
given m<4 = 35° and m<1 = m<2 + m<4
prove m<3 = 70°
Statements Reasons
m<4 = 35° given
m<1 = m<2 + m<4 given
m<2 = m<4 by the vertical angles theorem
35° = 35° substitution property of equality
m<2 + m<4 = m<1 angle addition postulate
35° + 35° = 70° substitution property of equality
m<3 = m<1 by the vertical angles theorem
m<3 = 70° substitution property of equality
The two column proof for the given set of angles are:
m∠2 = m∠4 by the vertical angles theorem
m∠3 = m∠1 by the vertical angles theorem
Given data:
The measure of angle
The measure of angle m∠4 =35,
The measure of angle m∠1= m∠2 + m∠4.
Now, Two straight lines that intersect at the same location are said to be intersecting lines. The junction point is the place where two intersecting lines meet. Four angles are created when two lines cross. The four angles added together always equal 360 degrees.
Perpendicular lines are two straight lines that intersect and form right angles. When two perpendicular lines intersect, they form four right angles.
When lines intersect, two angle relationships are formed:
Opposite angles are congruent
Adjacent angles are supplementary
Therefore, m∠2 = m∠4 by the vertical angles theorem
m∠3 = m∠1 by the vertical angles theorem
35° + 35° = 70° substitution property of equality
Hence, the measure of angle m∠3 = 70°
To learn more about intersecting lines, refer:
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Select all of the equations that are equivalent to 3 x − 12 = 19
A 3x-12=19
B 3x=7
C 3x=31
D 3x+31=0
E 5x-12=2x+19
F x-4=(19/3)
Answer:
X=2
Step-by-step explanation:
x
=
−
2
Explanation:
Collect terms in x on the left side of the equation and numeric values on the right side.
add 3x to both sides.
5
x
+
3
x
+
12
=
−
3
x
+
3
x
−
4
⇒
8
x
+
12
=
−
4
subtract 12 from both sides.
8
x
+
12
−
12
=
−
4
−
12
⇒
8
x
=
−
16
To solve for x, divide both sides by 8
8
x
8
=
−
16
8
⇒
x
=
−
2
As a check
Substitute this value into the equation and if the left side is equal to the right side for this value then it is the solution.
left side
=
(
5
×
−
2
)
+
12
=
−
10
+
12
=
2
right side
=
−
(
3
×
−
2
)
−
4
=
=
6
−
4
=
2
⇒
x
=
−
2
is the solution
Answer:
b Beacuse you can't times 3 by twelve but you can multiple 3times7+1 to get 19
What is h in h/7.5 = 3.2
Answer:
24
Step-by-step explanation:
Answer:
24 is the answers for the question
Step-by-step explanation:
please mark me as brainlest
what’s 5 5/32 (as an mixed number ) as a decimal.
Answer:
Convert 5 5/32 to an improper fraction.
Step-by-step explanation:
Exact Form:
165/32
Decimal Form:
5.15625
Mixed Number Form:
5 5/32
Answer:
[tex]{ \tt{5 \frac{5}{32} = \frac{(32 \times 5) + 5}{32} }} \\ \\ = { \tt{ \frac{165}{32} }} \\ \\ = { \boxed{ \tt{5.15625}}}[/tex]
Solve for Rational Inequality.
(x+3)(X+5)x+2≥0
What is the value of 9 squard
I presume you mean 9 'square'
9^2= 9 X 9 = 81
Cheerio ✌️
Step-by-step explanation:
The value of 9 Square is = 9 ×9= 81
Hope it's help you
What is 9(-7)?
I don't even know this
-63. Hope this helps!
Can have brainliest?
Answer:
-63
Step-by-step explanation:
If you know how to multiply it without the negative then you could take that answer and then put a negative at the beginning.
Write an equation of the line in slope intercept form for (0,3) and (4,2)
Answer: 13
Step-by-step explanation:
Step-by-step explanation:
the slope is the y/x ratio of the y and x coordinate differences when going from one point to the other. and it is always the factor of x in the equation.
x changes by 4 units (from 0 to 4), y changes by -1 unit (from 3 to 2).
so, the slope is -1/4.
the intercept means the intercept with the y-axis. and that means the y value when x = 0. which is given already by the first point : 3
so, the equation is
y = -1/4 x + 3
Arrange these numbers in order from least to greatest.
Answer:
1) 0.725.
2) 7/25.
3) 7.5%.
Write the measure in degrees (pi)/4
Let's see
[tex]\\ \rm\longmapsto \pi/4[/tex]
[tex]\\ \rm\longmapsto \dfrac{\pi}{4}\times \dfrac{180}{\pi}[/tex]
[tex]\\ \rm\longmapsto \dfrac{180}{4}[/tex]
[tex]\\ \rm\longmapsto 45°[/tex]
The solution is: the measure in degrees (pi)/4 is 45°.
Here, we have,
given that,
we have to find the measure in degrees (pi)/4.
now, we know that,
Measure of an Angle in Degrees = 180°
Measure of an Angle in Radians is:
180° × (π/180°) = π = 3.14 Rad
so, we have,
π/4
= π/4 × (180°/π)
=180 /4
=45°
Hence, the measure in degrees (pi)/4 is 45°.
To learn more on angle click:
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NEEED HELP ASAP PLS.................
help! will mark branliest
Answer:
B is the answer hope you get it right
I will mark brainlist please help!!
- dilation (lesson)
1) in a dilation of a figure, the distance between two consecutive vertices does not change
• true
• false
2) the coordinates of the vertices of a triangle JKL are J (4,8) K (8,8) L (4,2). Find the coordinates of the vertices of the image after a dilation by K = 0.25
• J (2,1) K (2,2) L (1,2)
• J (-2,1) K (4,2) L (1,0.5)
• J (1,2) K (2,2) L (1,0.5)
Answer:
see explanation
Step-by-step explanation:
(1) False
A dilatation enlarges or reduces the original figure
Then the distance between consecutive vertices changes.
(2)
Assuming the centre of dilatation is at the origin then multiply the coordinates of the points by the scale factor k = 0.25 ( a reduction )
J (4, 8 ) → J' (4(0.25), 8(0.25) ) → J' (1, 2 )
K (8, 8 ) → K' (8(0.25), 8(0.25) ) → K' (2, 2 )
L (4, 2 ) → L' (4(0.25), 2(0.25) ) → L' (1, 0.5 )
At the train station, the cost for parking is based on an hourly fee. Patrons that park for 2 hours or less are charged at the short term parking fee but patrons that park for more than 2 hours are charged at the long term parking fee. The parking cost can be modeled with the following piecewise equation, where x represents the number of hours . f(x)={9x, x≤212x, x>2 How much would it cost to park at the train station for 8 hours? Enter your answer in the box.
Answer:
96
Step-by-step explanation:
Overdraft protection can be set up to which of the following accounts?
a. Savings account
b. Credit Card
c. A line of credit
d. All of the above
The Robinsons order pizza for dinner. Their pizza costs $12.99. The tax in their city is 7% and they want to tip their delivery driver 15%. What is their total cost for the pizza? The tip should be based on the price BEFORE tax. Round to the nearest cent.
Answer:
15.99
Step-by-step explanation:
epic
Answer:
$15.85
Step-by-step explanation:
Took a quiz, and this was the right answer!
can you pls slove the 12 question
What is the equation of the line that passes through the point (–2, 1) and
has a slope of - 5/2
Answer:
y = -5/2x + -4 (or) y = -5/2x - 4
Step-by-step explanation:
Your slope is -5/2, so all you have to do is take the point (-2, 1) and use the slope to find a second point of (0, -4) which is coincidentally the y-intercept. Then you just plug the data into the equation y = mx+b. You do that and you get the answer of y = -5/2x+-4
4 - (y - 3) = 3(y + 1) - 4(1 - y)
Answer:
The value of y is 1
Step-by-step explanation:
4 - (y - 3) = 3(y + 1) - 4(1 - y)
4 - y + 3 = 3y + 3 - 4 + 4y
7 - y = 7y - 1
7 + 1 = 7y + y
8y = 8
y = 1
Thus, The value of y is 1
-TheUnknownScientist 72
HELP PLEASEEE, I WILL MARK BRAINLEST!
9514 1404 393
Answer:
∠a = 133°∠b = 15°∠c = 75°∠d = 58°Step-by-step explanation:
We don't know the definitions, properties, postulates, or theorems on your list, so we'll use the following:
a right angle measures 90°a straight angle measures 180°the acute angles in a right triangle total 90°an exterior angle of a triangle is equal to the sum of the remote interior anglesthe measure of an angle is equal to the sum of the measures of its parts.__
∠a = 180° -47° = 133°; reasons 2, 5. The angles form a straight angle.
∠b = 47° -32° = 15°; reason 4
∠c = 90° - ∠b = 90° -15° = 75°; reason 3
∠d = 90° -32° = 58°; reasons 1, 5. The angles form a right angle. If you want to get picky, we know it is a right angle by reasons 1 and 2. The marked right angle and the sum of 32° and ∠d together form a straight angle.
14+3(12+2)-5 to the power of 2=
show your work.
Write down the inequality for x that is shown on this line
O
+
1 2 HELP
+
3
0
4
+
+X
6 7 8
5
Answer:
[tex]x < 5[/tex]
The answer is
NEAR
8 Props
CCleve
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the model given below?
Session Timer: 0:06
How many blocks were in the picture
Answer:
where is the picture
Step-by-step explanation: