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3 years ago

Evaluate -3x+4y when x=-7 y=-10

Mathematics

1 answer:

Alexus [3.1K]3 years ago

6 0

Answer:

-19

Step-by-step explanation:

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The sum of two consecutive number is 15. the number are and solve

Fiesta28 [93]

By Question it's given that the sum of two numbers is 15 . And we need to find out the numbers. So ,

Let us take :-

First number = x
Second number = x + 1

According to the Question :-

$\sf\implies x + x +1=15\\\\\sf\implies 2x = 15-1\\\\\sf\implies 2x =14 \\\\\sf\implies x =14/2 \\\\\sf\implies\red{ x = 7 }$

Therefore :-

First number = 7
Second number = 8

Hence the two numbers are 7 and 8. 

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2 years ago

If f(x) = 6x - 4, what is f(x) when x = 8? 2 16 44 52

natima [27]

Answer:

Step-by-step explanation:

By substituting x=8 in the equation we get the answer as 44.

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3 years ago

Read 2 more answers

What is the measure of EGF?

qaws [65]

THE ANSWER WOULD BE B.

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3 years ago

Hi! Can you please tell me the answer and explain how to do this (in your own words)? The best answer get's brainiest!

vova2212 [387]

Answer:

$97.5 \ ft^2$

Step-by-step explanation:

1. Find the area of rectangle.

Rectangle:

Width = 12 ft

Length = 5 + 10 = 15 ft

$Area=\text{Length}\times \text{Width}\\ \\=12\cdot 15\\ \\=180\ ft^2$

2. Find the area of two white triangles.

a) Right triangle with legs of 12 ft and 10 ft.

$A_1=\dfrac{1}{2}\times \text{Leg}_1\times \text{Leg}_2\\ \\=\dfrac{1}{2}\cdot 10\cdot 12\\ \\=5\cdot 12\\ \\=60\ ft^2$

b) Right triangle with legs of 5 ft and 12 - 3 = 9 ft.

$A_2=\dfrac{1}{2}\times \text{Leg}_1\times \text{Leg}_2\\ \\=\dfrac{1}{2}\cdot 5\cdot 9\\ \\=\dfrac{1}{2}\cdot 45\\ \\=22.5\ ft^2$

3. Find the area of shaded region:

$A_{shaded}\\ \\=A-A_1-A_2\\ \\=180-60-22.5\\ \\=97.5 \ ft^2$

7 0

3 years ago

0.036179852 Round to nearest hundredth

Kipish [7]

0.036 since 100 and just put a period before it and fill the numbers

8 0

3 years ago