3 years ago

Can someone please help me on these two questions.

Mathematics

1 answer:

Valentin [98]3 years ago

5 0

What are the questions

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An item on sale costs 80% of the original price. The original price was $22.

sergejj [24]

Answer:

17.6

Step-by-step explanation:

22 x .80 =17.6

17.6 is 80% of 22 so that would be your answer

8 0

3 years ago

《MATHEMATICS》

Law Incorporation [45]

<h2>Hey,there..</h2>

${3}^{2} - {2}^{2} \\ (3 + 2) \times (3 - 2) \\ 5 - 1 \\ = 4$

$2) \frac{1}{2} + \frac{2}{3} \\$

$\frac{3+2}{6} \\$

$\frac{5}{6}$

<h2>Hope it helps...</h2>

5 0

2 years ago

Read 2 more answers

The desired percentage of SiO2 in a certain type of aluminous cement is 5.5. To test whether the true average percentage is 5.5

Ket [755]

Answer:

since p value < x(0.05) so we reject the null hypothesis

step 5 ( conclusion)

reject the null hypothesis and there is sufficient evidence to support the claim that the true average percentage differs from 5.5.

Step-by-step explanation:

check the attachment for detailed explanation

3 0

3 years ago

Read 2 more answers

Solve for x in the equation x^2-14 x + 31 = 63.

nadya68 [22]

Answer:

x=11.2426

x=2.7574

Step-by-step explanation:

3 0

2 years ago

Which statement is true? A dilation is not a function because a point on the pre-image could be mapped to more than one point on

lianna [129]

Here the answer is

D) A dilation is a function because every point on the pre-image corresponds to exactly one point on the image.

Definition of Dilation

Dilation stretches or shrinks the original figure. Each pre-image point has exactly one point on the image which multiplied or reduced the scale factor.

Thank you

6 0

3 years ago

Read 2 more answers