3 years ago

Please help me not too sure what I’m doing!! the number -4 is…

Mathematics

1 answer:

Tresset [83]3 years ago

3 0

Answer:

The answer is D (last bullet)

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Help me plissss <br><br> .....................

Temka [501]

Answer:

Step-by-step explanation:

$4 = 2^{2}\\y = 1/4 * (2^{2})^{3/2} = 1/4 * 2^{3}= 1/4 * 8 = 2$

3 0

3 years ago

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Dennis and Ivy share some sweets between them in the ratio 7:4 Dennis got 42 sweets. How many does ivy get

MrRa [10]

Answer:

$Ivy = 24$

Step-by-step explanation:

Given

$Dennis : Ivy = 7 : 4$

Required

Determine the amount of sweet Ivy gets when Dennis = 42

We have:

$Dennis : Ivy = 7 : 4$ and

$Dennis = 42$

Substitute 42 for Dennis in $Dennis : Ivy = 7 : 4$

$42 : Ivy = 7 : 4$

Convert to fraction

$\frac{42}{Ivy} = \frac{7}{4}$

Cross Multiply:

$Ivy * 7 = 42 * 4$

Divide through by 7

$\frac{Ivy * 7}{7} = \frac{42 * 4}{7}$

$Ivy = \frac{42 * 4}{7}$

$Ivy = 6* 4$

$Ivy = 24$

6 0

3 years ago

How many roots does the polynomial function have

satela [25.4K]

The roots of a polynomial are the values that render the polynomial to zero
y=(x+4)(x-2)^2(x+7)
in the 1st parenthesis, x=-4 render the polynomial =0
in the 2nd parenthesis, x=2 render the polynomial =0
in the 3rd parenthesis, x=-7 render the polynomial =0
So there are 3 values as roots of this polynomial (answer C)

8 0

3 years ago

Order the numbers in the group from least to greatest. 2.01, 2.1, 2.001

defon

The answer should be B.

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3 years ago

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A bathtub holds about 2 hectoliters of water. If 25 liters of water are let down the drain, how many liters of water are still i

Marta_Voda [28]

1.75 hectoliters and 175 liters

8 0

4 years ago