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artcher [175]
3 years ago
8

Thirteen less than eight times a number is three more than four times the number.

Mathematics
1 answer:
Lisa [10]3 years ago
6 0

Answer:

Step-by-step explanation:

Let the number = x

8x - 13 = 4x + 3              Add 13

8x = 4x + 3 + 13             Combine

8x = 4x + 16                   Subtract 4x

8x - 4x = 16                    Combine

4x = 16                           Divide by 4

x = 16/4

x = 4

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A greenhouse room at a botanical Garden is in the Shape of a hemisphere. The height at the center of the dome is 24 feet what is
DaniilM [7]

Answer:

The volume is 9,216\pi\ ft^{3}

Step-by-step explanation:

we know that

The volume of the hemisphere ( a greenhouse room) is equal to

V=\frac{4}{6}\pi r^{3}

In this problem we have

r=24\ ft

substitute

V=\frac{4}{6}\pi (24)^{3}=9,216\pi\ ft^{3}

7 0
3 years ago
6x - y = -4<br> 2x + 2y = 15
Over [174]
Point Form (1/2, 7) Equation Form x=1/2 y=7
3 0
3 years ago
A triangle has angle measurements of 139°, 27°, and 14°. What kind of triangle is it?
musickatia [10]
Obtuse Triangle

One angle is greater than 90°
6 0
4 years ago
rectangle A has a length of 24 meters and a width of 20 meters. rectangle B has the same area as rectangle A. the width of recta
blagie [28]
To solve this, first we'll find the area of the rectangle A,

Area=length × width
?=24m×20m
480m=24m×20m
480m squared=area of the rectangle A

now we'll find the width of rectangle B,
"the width of rectangle B is 12 meters less than the width of rectangle A",
20m-12m= 8m
8m=width of rectangle B

finally we'll find the length of rectangle B,
area of the rectangle B= 480msquared
width= 8m
length=? (to find this divide the area by the width)
480÷8=60m
length of the rectangle B=60m



7 0
4 years ago
The polygons are similar, but not necessarily drawn to scale. Find the value of x.
alexandr402 [8]

If the shapes are similar, the correspondent sides are in proportion:

AB\div DE = BC \div EF

Let's plug the values and solve for x:

5x \div 5 = 4 \div x \iff \dfrac{5x}{5}=\dfrac{4}{x}\iff x = \dfrac{4}{x}

Multiply both sides by x to get

x^2=4 \iff x=\pm2

The only feasible solution, though, is x=2, because it wouldn't make sense to have negative lengths.

5 0
3 years ago
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