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3 years ago

The height of a house is 39.2 ft, a doll house replica is 2.8 ft. What is the scale factor?

Mathematics

1 answer:

Tatiana [17]3 years ago

3 0

I might be wrong cause I don’t removed this from 4 years ago but it should be 36.4 also plz mark brainlyiest

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HEELPPPPPP I NEED HELPPPP

lora16 [44]

Answer: the anser is

Step-by-step explanation:

9/24= 0.375 0.375x40=15

w=15 liters

8 0

3 years ago

Which of the following is the simplified expression of 2 square root of -16 + the square root of 225 in standard form, a plus b

LuckyWell [14K]

Answer:

<em>The standard form like $(a+bi)$ will be: $15+8i$ </em>

Step-by-step explanation:

Given expression is: $2\sqrt{-16}+\sqrt{225}$

First factoring out -16 as (-1×16) , we will get....

$2\sqrt{-1}*\sqrt{16}+\sqrt{225}$

Now, replacing $\sqrt{-1}$ as $i$ .......

$2i\sqrt{16}+\sqrt{225}$

Finally, simplifying the radicals in the above expression, we will get......

$2i*4+15\\ \\ =15+8i$

Thus, the standard form like $(a+bi)$ will be: $15+8i$

7 0

3 years ago

Read 2 more answers

What is the slope of the line that passes through the points 2,-2 and 8,1

Aleksandr-060686 [28]

Step-by-step explanation:

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

Slope = (1 + 2)/(8 - 2)

Slope = 3/6

Slope = 1/2

7 0

3 years ago

Please explain how to do this.

damaskus [11]

Step-by-step explanation:

let the eqn be y = mx + b.

m = 200/(900 - 700) = 1

sub (700, 0):

0 = 700 + b

b = -700

therefore eqn is y = x - 700

Topic: coordinate geometry

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

5 0

3 years ago

Solve for x: |1/3-x/4|=7/12

ozzi

Your answer is x={-1, 11/3}

4 0

3 years ago