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3 years ago

12

Simplify each expression using order of operations to reveal a fact about Earth Day. Earth Day is observed in this many countrie

s... 6 + 2 18 + 200 – 8 x 10 2 e е

1 answer:

wlad13 [49]3 years ago

3 0

Answer:

YOOOOOOOOSHI :33

Step-by-step explanation:

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What is y-8=3(x+1) written in standard form

Stels [109]

Standard form of a linear equation is Ax + By = C, where A, B, C are constants.

So,
y-8 = 3(x+1)
y-8 = 3x + 3

substract 3 from both sides,
y-8-3 = 3x+3-3
y-11 = 3x

substract y from both sides,
y-y-11 = 3x-y
-11 = 3x-y

So, the standard form is 3x-y = -11

6 0

3 years ago

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 117.7-cm and a standard dev

Andre45 [30]

Answer:

Required probability is 0.9748

Step-by-step explanation:

given data

mean $\mu$ = 117.7-cm

standard deviation $\sigma$ = 2.2-cm

sample size n = 29

solution

we consider here random variable which represents here length of rod= x

so get here first z that is express as

$Z = \dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

put here value with x value 118.5-cm

$Z = \dfrac{118.5-117.7}{\dfrac{2.2}{\sqrt{29}}}$

Z = 1.9582

p value is 0.9748

so required probability is 0.9748

7 0

3 years ago

Anyone please...Explain & solve

Nitella [24]

Answer:

y = -2x

Step-by-step explanation:

We have direct variation means

y =kx

We know y and x

10 = k (-5)

Solve for k by diving by -5

10/-5 = k (-5)/-5

-2 = k

y = -2x

4 0

3 years ago

Read 2 more answers

Four-fifths of the sum of b and 9

kirill [66]

Step-by-step explanation:

4/5 (b +9)

4/5×b + 4/5×9

4b/5 + 36/5

4b/5 + 72/10

4b/5 + 7.2

5 0

3 years ago

Tom has 8 toys each toy weighs either 20 grams or 40 grams or 50 grams he has a diffrent number of toys (at least one) of each w

liberstina [14]

Answer:

110

Step-by-step explanation:

He said he had atleast 1 of each. Hope it helps.

7 0

3 years ago

Read 2 more answers