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Crazy boy [7]
3 years ago
7

What is the value of the expression 5y² + 4x when x = 2.5 and y = 3?

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

55

Step-by-step explanation:

Gemiola [76]3 years ago
7 0

Answer:

55

Step-by-step explanation:

5(3)^2+4(2.5)

5(9)+4(2.5)

45+10

55

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Karla's jewelry box is shaped like a rectangular prism. The bottom surface of the box has an area of 65 square inches. The heigh
koban [17]

Answer:

780  cubic inches

Step-by-step explanation:

Step one:

Given data

The bottom surface of the box has an area of 65 square inches.

Already given an area and a height of 12 in

we proceed to find the volume by multiplying Area and height

Required

The volume of the box

Volume= Area* height

Step two:

Volume= 65*12

Volume = 780  cubic inches

6 0
3 years ago
In a football drill Ron is standing
SVEN [57.7K]

Answer:

I think it will travel 10 yards

Step-by-step explanation:

Because John and Bill and Ron Weasley from Harry Potter they are

Standing 10 yards from each other.

4 0
4 years ago
Can someone finish the whole thing ??
Romashka-Z-Leto [24]
<h3>Answer:    y = (3/2)x + 0</h3>

This is the same as  y = (3/2)x

=============================================================

Work Shown:

Find the slope of the line through (x1,y1) = (-2,-3) and (x2,y2) = (2,3)

m = (y2 - y1)/(x2 - x1)

m = (3 - (-3))/(2 - (-2))

m = (3 + 3)/(2 + 2)

m = 6/4

m = 3/2

The slope is the fraction 3/2. This is going to be in front of the x, or to the left of the x.

----------

Plug m = 3/2 and (x1,y1) = (-2,-3) into the point slope formula. Solve for y.

y - y1 = m(x - x1)

y - (-3) = (3/2)(x - (-2))

y + 3 = (3/2)(x + 2)

y + 3 = (3/2)x + (3/2)(2)

y + 3 = (3/2)*x + 3

y + 3 - 3 = (3/2)*x + 3 - 3

y = (3/2)x + 0

The y intercept is zero. This matches up with the fact the graph crosses the y axis at y = 0.

3 0
3 years ago
If there are 25 students in a class and 16 of them are girls, what percent of the students are girls? Please explain.
Kipish [7]

16 out of 25 are girls

16/25

multiply by 4/4

percent means out of 100

64/100

64 percent are girls

7 0
3 years ago
Read 2 more answers
Simplify the following expression completely using distribution and combining like terms
coldgirl [10]

Hey there!

6 (2 - 3g) - 10

= 12 - 18g- 10

= 12 - 10 - 18g

= <u>2</u><u> </u><u>-</u><u> </u><u>1</u><u>8</u><u>g</u>

Hope it helps ya!

4 0
3 years ago
Read 2 more answers
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