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vodka [1.7K]
3 years ago
6

HURRY PLEASE :)!!

Mathematics
1 answer:
zalisa [80]3 years ago
8 0
The ratio of the areas  is the ratio of the squares of the sides ( which is 10:15  or 2:3)  so the answer is
2^2 : 3^2  = 4:9.

The ratio of the perimeters = ratio of corresponding side = 2:3.

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What is the volume of a prism which has a base of 5 m by 3m, and a height of 4m?
wlad13 [49]
If you multiplied the base times the width times the height you would get a final answer of 60m.
4 0
3 years ago
Find the equation of a line perpendicular to −4x+4y=4 that contains the point (−4,5).
kati45 [8]

Answer:

y = - x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange - 4x + 4y = 4 into this form by adding 4x to both sides

4y = 4x + 4 ( divide all terms by 4 )

y = x + 1 ← in slope- intercept form

with slope m = 1

given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{1} = - 1, thus

y = - x + c ← is the partial equation

To find c substitute (- 4, 5) into the partial equation

5 = 4 + c ⇒ c = 5 - 4 = 1

y = - x + 1 ← equation of perpendicular line

4 0
3 years ago
Read 2 more answers
Number 8<br> (X)+(X+30)=510
Liula [17]
X + x + 30 = 510
2x = 480

x = 240  

there were 240 women and 270 men.
8 0
3 years ago
Find the number of real solutions of each equation using the discriminant.
lianna [129]

Answer: 1: x^2 + 25 = 0 x=5

2: x^2 - 11x + 28 = 0 x=7 i think

3: x^2 + 8x + 16 = 0 x=-4

Step-by-step explanation:

8 0
3 years ago
Can someone help me find the volume, area and height of this prism? 7th grade math :)
kolezko [41]

Answer: lalalallalalalalal

Step-by-step explanation:

5 0
3 years ago
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