3 years ago

What is the value of the expression 9 + (fraction 1 over 2)4 ⋅ 48?

Mathematics

1 answer:

lyudmila [28]3 years ago

3 0

Answer -> (12) I'm very late haha but hopes this helps!

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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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3 years ago

The perimeter of a rectangular painting is 362 CM if the length of the painting is 97 centimeters what is its width

pochemuha

Answer:

Step-by-step explanation:

97+97=194 because a rectangle has 2 long sides.

362-194=168

168/2=84

Width=84 cm

4 0

3 years ago

Help me ASAP I have a 67% I math the girlie needs help

tia_tia [17]

Answer:

x=28

Step-by-step explanation:

4(x-5)=92

4x-20=92

add 20 to both sides

4x=112

divide 4 on both sides

x=28

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What does b represent in the equation of a line in the form y = mx + b?

timama [110]

B is the y intercept.

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A machine can stamp 75 caps per minute. At this rate how long will it take to stamp 3000?

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<h2>Answer:</h2><h2>40 minutes</h2>

Step-by-step explanation:

$75- caps ----------- 1 minute\\3000 caps ------------x - minutes\\\\Cross-Multiply\\75x = 3000 \times 1\\75x = 3000\\\frac{75}{75} =\frac{3000}{75} \\\\x = 40 minutes$

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