2 years ago

Solve the system of equations:

Mathematics

1 answer:

Triss [41]2 years ago

8 0

Answer: C. (-1, -4) and (4, 6)

Step-by-step explanation:

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Question 1 . What division problem does this area model represent?

Law Incorporation [45]

Answer:

Step-by-step explanation:

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2 years ago

Plz help me out a bit :(<br> which one do you think it is?

Anna [14]

C. 9^4
when dividing with exponents, i usually just look at the exponents and subract them so i did 12-8 for this problem

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2 years ago

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Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 li

masya89 [10]

Answer:

132 kilometers

Step-by-step explanation:

Given: Pamela drove her car 99 kilometers and used 9 liters of fuel.

To find: Number of kilometers Pamela drove in 12 liters of fuel.

Solution:

It is given that Pamela drove her car 99 kilometers and used 9 liters of fuel. Also the relationship between kilometers and fuel is proportional.

So, let us assume that she can travel x kilometers in 12 liters of fuel.

By proportionality we have,

$99:9 :: x:12$

$\frac{99}{9} =\frac{x}{12}$

$11=\frac{x}{12}$

$x=12\times11$

$x=132$

Hence, she can travel 132 kilometers in 12 liters of petrol.

7 0

3 years ago

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Which number is a multiple of 7? A 27 B 48 C 56 ET D 74

saul85 [17]

Answer:

C. 56

Step-by-step explanation:

7*8=56

7 0

2 years ago

If ABCD is a square and AB = 10, what is the measure of BD? (rounded to the nearest hundredth) A) 7.07 B) 14.14 C) 19.21 D) 28.2

damaskus [11]

Answer:

B)14.14

Step-by-step explanation:

a square is made of 2 right triangles

the two legs of one right triangle are both 10 so

using Pythagorean theorem we get the square root of 10^2+10^2

this solves to the square root of (200)

which is ≈ 14.14...

6 0

1 year ago