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3 years ago

44 tens is the same as?

1 answer:

8 0

The long way would be adding 10+10+10+...+10, 44 times. Or we can do it the fast way and multiply 44 by 10 since there are 44 tens.
44 * 10 = 440

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Vanyuwa [196]

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3 years ago

the SAT was recently given at mcdowell high school. joe scored a 288 on a math section which is 2 standard deviations below the

vichka [17]

Let $\mu$ be the mean and $\sigma$ the standard deviation.

Joe's score tells you that $\dfrac{288-\mu}\sigma=-2$ , while Jon's score says $\dfrac{633-\mu}\sigma=1$ . Solve this to get $\mu=518$ and $\sigma=115$ .

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3 years ago

Suppose △PKN≅△BGH.

OLga [1]

Answer:

△KNP ≅ △GHB

△NPK ≅ △HBG

Step-by-step explanation:

Given: △PKN≅△BGH

This means two triangles PKN and BGH are congruent. Congruent triangles havecongruent corresponding parts.

So,

PK ≅ BG;
PN ≅ BH;
KN ≅ GH;

and corresponding vertices

P to B;
K to G;
N to H.

Hence,

A. Triangle KNP is congruent to triangle GHB - true

B. Triangle KPN is congruent to triangle GBH - false

C. Triangle NKP is congruent to triangle HGB - false

D. Triangle NPK is congruent to triangle HBG - true

3 0

3 years ago

out of 420 students enrolled in a recreational soccer program, 40% are sixth graders. How many students in the program are sixth

Juliette [100K]

0.4(420) = 4(420)/10

(0.4 is essentially 4/10)

1680/10 = 168

There are 168 sixth graders

5 0

3 years ago

Read 2 more answers

A manufacturer knows that 2%2\% 2% 2, percent of its microchips are produced with a certain defect. They decide to change their

kirza4 [7]

Answer: 0.0776

Step-by-step explanation:

Since the manufacturer knows that 2% of its microchips are produced with a certain defect. Then

P( defective) = 2/100 = 0.02

P( non defective) = 1 - 0.02 = 0.98

Probability of all 4 not defective will be

P(all 4 not defective) = 0.98^4 = 0.9224

Probability that at least one of the selected chip is defective will be

P(at one defective) = 1 - 0.9224

= 0.0776

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3 years ago