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2 years ago

Find the value of x . PLEASE HELP )):

Mathematics

1 answer:

Scorpion4ik [409]2 years ago

5 0

Answer:

x=65

Step-by-step explanation:

since its 65 on one side, its going to be 65 on the other. they are congurent

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Janice is redecorating her room. She wants to paint a design on a rectangular section of her wall that is at least 76.5 square f

Ber [7]

Answer:

9 feet

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3 years ago

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A company produces packets of soap powder labeled "Giant Size 32 Ounces." The actual weight of soap powder in such a box has a N

Nataliya [291]

Answer:

C. 34.15 oz

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu= 33, \sigma = 0.7$

How heavy does a box have to be for it to be labeled overweight?

Top 5%, so X when Z has a pvalue of 1-0.05 = 0.95.

So X when Z = 1.645.

$Z = \frac{X - \mu}{\sigma}$

$1.645 = \frac{X - 33}{0.7}$

$X - 33 = 0.7*1.645$

$X = 34.15$

So the correct answer is:

C. 34.15 oz

4 0

3 years ago

Can Someone Help Me. ? It’s Between A Or B

Amiraneli [1.4K]

b option is the answer

I am sure

3 0

2 years ago

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Which of the following is equal to the expression listed below?

olya-2409 [2.1K]

Answer:

27 + 36 = 63

A. (9 + 3)(9 + 4) = 12 × 13 = 156

B. 9(3 + 4) = 9 × 7 = 63

C. 9 + (3 × 4) = 9 + 12 = 21

D. (9 × 3)(9 × 4) = 27 + 36 = 63

Option B and D

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3 years ago

In a class of 80 students ,53 study art ,60 study biology ,36 study art and biology ,34 study art and chemistry ,6 study biology

d1i1m1o1n [39]

Answer:

The missing part is the intersection of all 3, label it x

Now look at the intersection of A and C, it must be 34.

But you already have x accounted for in the intersection of all 3.

So label the part in A and C, but not B as 34-x

36 study A and B, so the part of A and B, but not C is

36-x

Given that 53 study Art, in the A only part we can put

53-(36-x) - (34-x) -x = x - 17

6 study B only, put that in.

So the missing part of B is 60 - 6 - (36-x) - x

= 18

18 study B , but not C, so they could be in A

label the part of A and B, but not C as 18

BUT, we already know that A and B, not C, is 36-x

So 36-x = 18

X=18

I think we are done

Finish circle A, with A only as x-17 or

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3 years ago