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Gekata [30.6K]
3 years ago
8

7 x 2 + 2[7 + 3(5 - 2)] + 2 ____________________ -4 x 2

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer:-6

Step-by-step explanation:

(7*2+2(7+3(5-2))+2)/(-4*2)

(7*2+2(7+3(3))+2)/((-4)*2)

(7*2+2(7+9)+2)/((-4)*2)

(7*2+14+18+2)/((-4)*2)

(14+14+18+2)/((-8)

48/-8

-6

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A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd
Damm [24]

Answer:

negative

Step-by-step explanation:

calculating the z score by subtracting the mean and dividing by the standard deviation

(55-70)/10= -1.5

It's negative

5 0
3 years ago
1. Which of the following is equal to
andreyandreev [35.5K]

Answer:

D

Step-by-step explanation:

These I's are being used as sticks

lets say i have 40 sticks then i add 55 more sticks to them

IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII + IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII If i were to reverse the sequence and use the 55 sticks and add 44 sticks to them it would be the same as me having 44 sticks and adding 55 more.

5 0
3 years ago
Nathan and his brother Zach love to play video games. Right now, Nathan's score is 11 less than 2 times Zach's score.-example, i
sashaice [31]

Zach's score, Z, and Nathan's score, N, are related by the formula

2Z-11=N.

This is further explained below.

<h3>What are algebraic expressions?</h3>

Generally, Assume Nathan has a score of N and Zach has a score of Z.

Zach's score is 11 points higher than Nathan's.

It implies,

N equals twice of Z minus 11.

We may format it as follows:

2Z - 11 = N

There are now four possible outcomes for these two brothers' scores:

Zach's score will be determined using algebraic formulas if Nathan's score is 81.

2Z - 11 = 81

2Z = 92

Z = 46

Zach's score will be 61 if Nathan receives a score of 111.

Zach's score will be 121 if Nathan's score is 231 or higher.

Zach's score will be 456 if Nathan's score is 901.

The formula 2Z - 11 = Z is a rule that connects Nathan's and Zach's scores.

Visit to learn more about algebraic expressions.

brainly.com/question/953809

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5 0
1 year ago
Factor the trinomial<br> The factors of m^2+12m+35 are ____ and ____
Diano4ka-milaya [45]
Factor:

(m+5)(m+7)

Solve for the numbers inside, set it = to 0:

m+5=0 >solve
m=-5

m+7=0>solve
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7 0
3 years ago
Harry fills up his Jeep with gasoline and notes that the odometer reading is miles. The next time he fills up his Jeep, he pays
lukranit [14]

Complete question :

Harry fills up his Jeep with gasoline and notes that the odometer reading is 23,568.7 miles. The next time he fills up his Jeep, he pays for 12.6 gallons of gasoline. He notes his odometer reading is 23,706.3 miles. How many miles per gallon did he get?

Answer:

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Step-by-step explanation:

Given that :

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Miles per gallon gotten :

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= 10.920634

= 10.9 miles per gallon

6 0
3 years ago
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