Mathematics High School

The equation
^
Y=-0.37x^2+6.15x+52.3 approximates the average temperature in October in degrees Fahrenheit at an agricultural community x hours after 5 a.m.

What is the best estimate for the average temperature in October at 2 p.m.?

64 F
67 F
71 F
78 F

Answers

Answer 1

Answer:

best approximate is 78 F. to find x, count number of hours between 5 am and 2 pm (which is 9). Substitute 9 into the equation and solve. hope this helps!

Step-by-step explanation:

[tex]y = - 0.37 {x}^{2} + 6.15x + 52.3 \\ y = - 0.37 ({9}^{2} ) + 6.15(9) + 52.3 \\ y = - 0.37(81) + 6.15(9) + 52.3 \\ y = - 29.97 + 55.35 + 52.3 \\ y = 77.68[/tex]

Related Questions

How to simplify 4(8n+2)

Answers

Answer:

32n +8

Step-by-step explanation:

4(8n + 2)

32n+8

Mr. Smith's class has 28 students. They all put in an equal amount of money to get Mr. Smith an end of year gift. If they collected $168 altogether, how much money did each student give. For each question, define a variable (Let statement), write and solve an equation

Answers

Answer:

Step-by-step explanation:

28 students all give $128

so,

[tex]\sqrt[28]{128}[/tex]= v  v=6

Each student gave 6 dollars. This is true due to the fact that

[tex]\sqrt[28]{128}[/tex]=6

28X6=128

Can someone help me?

Answers

Maybe 1C 2C 3D *not sure

Write an equation of a line in slope-intercept form that has a slope of -5 and passes through the point (-3, -4).

Answers

Answer:

y = -5x - 19

Step-by-step explanation:

y = -5x + b

-4 = -5(-3) + b

-4 = 15 + b

-19 = b

ABCD is an isosceles trapezoid.
measure of angle B=
measure of angle C=
measure of angle D=

Answers

Answer:

Angle b= angle c =83degree

Angle d =97degree

Step-by-step explanation:

Since isosceles:

Angle b =angle c

Angle a= angle d

Angle d =a=97

Sum of quadrilateral inner degrees:360

(360-2x97)/2=b=c=83

Answer:

Answer:

Angle b= angle c =83degree

Angle d =97degree

Step-by-step explanation:

Since isosceles:

Angle b =angle c

Angle a= angle d

Angle d =a=97

Sum of quadrilateral inner degrees:360

(360-2x97)/2=b=c=83

Step-by-step explanation:

Enter 4/5 and 1/3 as a pair of equivalent fractions with the least common denominator between the two fractions.

Answers

Least common denominator is 15, so if you write them both with the denominator 4/5 is 12/15 and 1/3 is 5/15.

Solve.
A standard coffee mug has a capacity of 16 fluid ounces.
If Annie needs to fill 10 mugs with coffee, how many total quarts of coffee does she need?
Annie needs
quarts of coffee.

Answers

Answer: Annie needs 13 quarts of coffee

Step-by-step explanation:

karrie was late to work 14 times last year if she worked 250 days last year what percent of the days were she late

Answers

not sure if it's right
250 days = 100%
14 days = ?%
1 day = 100/250 = 0.4%

Therefore 14days = 0.4% • 14 = 5.6 %

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Answers

Answer:

cylinder radius and height

cone radius height

sphere raduis

Explanation: The formula to find the volume of a cylinder is: \displaystyle V = \pi \cdot r^2 \cdot h, where is the radius of the cylinder and is the height of the cylinder.

Jared made a scale drawing of his classroom for his tech project. He used a scale of 1 cm = 3.5 ft. If the length of his classroom on the drawing measured 30 cm, What is the actual length of his classroom?

Answers

Answer: 105ft

Step-by-step explanation: If 1cm is 3.5ft then you should multiply 3.5ft by 30 cm to get 105ft.

Which of the following could be a rational number

Answers

I dont know you tell me?

What are the options???

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Answers

Answer:

1. 48ft

2. 28 inches

Step-by-step explanation:

1. 6x8=48

2. 4x7=28

11. What is the value of x?

A 48
B 30
C 60
D 36

Answers

Answer:

I think it is B

hope this helps

You start at (2, 8). You move up 1 unit. Where do you end?​

Answers

Answer:

2,9 should be your answer

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More results from www.wyzant.com

Step-by-step explanation:

the number that makes the ratio equivalent to 1:9.
7:

Answers

Answer:

63. so it'll be 7:63

Step-by-step explanation:

1:9

7:x

(we multiplied 1 by 7 to get 7 so multiply 9 by 7)

9*7= 63

find the measure of each interior angle of a regular polygon with the following number of sides 10​

Answers

Answer:

a regular polygon has all angles measure sum up to 360 degrees so each interior angle = sum of alll angles/no.of sides so it is 360/10= 36 degrees hope its clear now

Step-by-step explanation:

Just the answer please I need you

Answers

Answer:

A = 33.6 sq units

Step-by-step explanation:

A (trapezoid) = 1/2(4)(14+2) = 2(16) = 32

A (semi-circle) = π(1)/2 = 1.57

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Answers

Answer:

a) IJ is median

IJ = 1/2(HG + EF)IJ = 1/2(8 + 12) = 10 cm

b) I is midpoint of HE, therefore, HI = IE

Substitute values and solve for x:

10 = x - 4x = 10 + 4x = 14 cm

Answer:

a) IJ is median

IJ = 1/2(HG + EF)

IJ = 1/2(8 + 12) = 10 cm

b) I is midpoint of HE, therefore, HI = IE

Substitute values and solve for x:

10 = x - 4

x = 10 + 4

x = 14 cm

Step-by-step explanation:

The length of a rectangular swimming pool is exactly three times as long as its width. If the pool has a perimeter of 400m find the width of the pool.

Answers

Answer:

50m

Step-by-step explanation:

let the width be x

length=3x

3x+3x+x+x=400

8x=400

x=400÷8

x=50

Sandra bought a pair of leather boots that were marked down by 20%. The original cost of the boots was $150. What did Sandra pay for the boots

Answers

Answer:

130 maybe

Step-by-step explanation:

Answer:

120

Step-by-step explanation:

It is 120 because if you do 20% of 150 that's 30 so subtract that with 150 leaving you 120.

For a party, Tyler gets four different kinds of soda. He buys a 6-pack of each
kind. At home, he divides the sodas evenly among three coolers. How many
sodas are in each cooler?

Answers

Answer:

8 sodas/cooler

Step-by-step explanation:

4 · 6 = 24

24/3 = 8

The question is right there please read and help I’ll give u Branliest plz

Answers

The first coordinate is (-4,2)
Second ((-4,4)
Third (0,2)
The formula for reflection over y axis is (x,y)—-> (-x,y)
You can just change the x value to its opposite and that is the coordinate over the y axis.

help please in this question?

Answers

Answer:

see explanation

Step-by-step explanation:

∠ 1 and ∠ 2 are adjacent angles and are supplementary, sum to 180° , so

5x + x + 54 = 180 ← equation to solve to find x

6x + 54 = 180 ( subtract 54 from both sides )

6x = 126 ( divide both sides by 6 )

x = 21

Then

∠ 1 = 5x = 5 × 21 = 105°

∠ 2 = x + 54 = 21 + 54 = 75°

I need this Done tonight. Plz help me.

Answers

Answer is 15 miles

This is because:

1 inch- 5 miles

3 inches- 15 miles

3x5=15 miles

Hope this helps!

A rectangle has a length of y^2+3y+7 and a width of y-3. How much longer is the length?

Answers

Given:

The length of the rectangle = [tex]y^2+3y+7[/tex]

Width of the rectangle = [tex]y-3[/tex]

To find:

How much longer is the length?

Solution:

We need to find the difference between length and width of the rectangle.

[tex]Difference=Length-Width[/tex]

[tex]Difference=y^2+3y+7-(y-3)[/tex]

[tex]Difference=y^2+3y+7-y+3[/tex]

[tex]Difference=y^2+(3y-y)+(7+3)[/tex]

[tex]Difference=y^2+2y+10[/tex]

Therefore, the length of the rectangle is [tex]y^2+2y+10[/tex] much longer than the width.

2)
A line passes through the points (0.5) and (-6,3). A second line passes through
(-15, 0) and (-21, -2).
A) Do the lines intersect? Show work to prove it! Grcle YES or
NO

Answers

Answer:

Step-by-step explanation:

Find the slope of each line. If the slopes are the same, the lines are parallel. Otherwise, the lines intersect.

Slope of line passing through (x₁, y₁) and (x₂, y₂) = (y₂-y₁)/(x₂-x₁)

Slope of line passing through (0, 5) and (-6, 3) = (3-5)/(-6-0) = ⅓

Slope of line passing through (-15, 0) and (-21, -2) = (-2-9)/(-21-(-2)) = 11/19

The lines intersect.


please help!! I’m doing 13 points since it’s sorta tricky!!

Answers

Answer:

c 10

Step-by-step explanation:

2units each and there are five spaces , this 10

Solve 5x + 2y = 7 10x + 4y = 14 (1 point) (1,1) (2,3) No solution Infinitely many solutions​

Answers

Step-by-step explanation:

if you do 14 divided by 7 gives you 2 am I right

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Answers

Could you please take the picture in a better angle can’t see it

list some values that would make this inequality -2x>10

Answers

Answer:

-6,-9,-20,-25.

Step-by-step explanation:

You need to multiply a negative to make it positive as a negative multiplied by a negative equals a positive. But anything besides -1,-2,-3,-4,-5 and all positves can be placed.

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