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3 years ago

I need help don't just give a random answer for the points pz got to get done quickly

Mathematics

2 answers:

saveliy_v [14]3 years ago

6 0

Answer:

$140

Step-by-step explanation:

1 meal --- $15

8 meals --- $15 × 8 = $120

Total = $120 + $20

= $140

Alborosie3 years ago

3 0

Answer:

140

Step-by-step explanation:

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If (-1, y) lies on the graph of y=2^2x then y=

zubka84 [21]

Answer:

y is 1/4 when x is -1 if I did interpret your equation right. Please see that I did.

I believe the equation to be $y=2^{2x}$ . If you meant $y=2^2x$ , please let me know.

Thanks kindly.

Step-by-step explanation:

If (-1,y) lies on the graph of $y=2^{2x}$ , then by substitution we have:

$y=2^{2\cdot -1}$ .

We just need to simplify to determine y:

$y=2^{2 \cdot -1}$

Multiply the 2 and -1:

$y=2^{-2}$

Use reciprocal rule for exponents to get rid of the negative:

$y=\frac{1}{2^2}$

$2^2$ just means $2(2)$ :

$y=\frac{1}{2(2)}$

$y=\frac{1}{4}$ .

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2 years ago

Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

JulsSmile [24]

The correct answer is D

6 0

2 years ago

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My rule is: y = x + 12 <br> If y = 17 <br> What is x?

Usimov [2.4K]

Answer:

x=5

Step-by-step explanation:

y=x+12

17=x+12

17=5+12

17=17 ✓

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2 years ago

When round off to nearest thousand, the number 42,099

Roman55 [17]

Answer:42000

Step-by-step explanation:

There is no number higher than 5 after the thousands so you would keep it the same

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2 years ago

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I REALLY NEED HELP ILL GIVE BRAINLEISTTT

lord [1]

Answer:

960

Step-by-step explanation:

x = 0.6x + 384

Subtract 0.6x from both sides.

0.4x = 384

Divide both sides by 0.4

x = 960

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2 years ago

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