3 years ago

4. The fire was very big

Mathematics

1 answer:

RSB [31]3 years ago

6 0

Answer:

B. Dependent variable

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My brother needs help and I'm to busy so I have my phone to him please help him thank you

Vladimir79 [104]

#8 answer is A i think....

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3 years ago

a dvd costs twice as much as a music cd. Jack buys 2 dvds and 2 cds and spends $45. Determine how much one cd costs. in dollars

VMariaS [17]

$dvd=d \\ cd=c \\ \\ \left \{ {{d=2c} \atop {2d+2c=45}} \right. \\ \\ 2(2c)+2c=45 \\ 4c+2c=45 \\ 6c=45 \\ c=7.5 \\ \\ d=2(7.5) \\ d=15$

One CD costs $7.50.
One DVD costs $15.00.

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3 years ago

Read 2 more answers

I will Mark you as brainliest if you explain

Minchanka [31]

Answer:

x=0 or x=−4

Step-by-step explanation:

Let's solve your equation step-by-step.

(x+2)2=4

Step 1: Simplify both sides of the equation.

x2+4x+4=4

Step 2: Subtract 4 from both sides.

x2+4x+4−4=4−4

x2+4x=0

Step 3: Factor left side of equation.

x(x+4)=0

Step 4: Set factors equal to 0.

x=0 or x+4=0

x=0 or x=−4

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3 years ago

What is the measure of the angle

rodikova [14]

Angle A is in the triangle, so it adds up to 180. You need to add up 120+18, which gives you 138. You’ve got angle B right there.Subtract that from 180 and you got 42, which is A.

So overall, A=42, B=138

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3 years ago

Find all real zeros of the function y=-6x-5, b. –6 d. –6, –5 Please select the best answer from the choices provided A B C D

Lelechka [254]

Answer:

$x=-\frac{5}{6}$

Step-by-step explanation:

Equation given: y=-6x-5.

In order to find zeros of an equation, substitute y=0 in the given equation.

0=-6x-5

-6x-5=0

-6x=5

$x=\frac{5}{-6}\\x=-\frac{5}{6}$

Therefore, $x=-\frac{5}{6}$ is zero for our given equation

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3 years ago