3 years ago

PLEASE HELP ASAP!! ILL MARK BRAINLIEST!

Mathematics

2 answers:

goldfiish [28.3K]3 years ago

7 0

I am 99% sure it is B. because all of the others work out correctly

allochka39001 [22]3 years ago

4 0

B is the correct answer. A,C, and D will all give you the correct slope.

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Find the Area of a square with length(x + 7) and width (x + 7)

ValentinkaMS [17]

Answer:

x^2 +14x+49

Step-by-step explanation:

Area = length * width

= ( x+7) * ( x+7)

FOIL

first: x^2

outer: 7x

inner: 7x

last: 7*7 = 49

Add them together

x^2 +7x+7x + 49

Combine like terms

x^2 +14x+49

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3 years ago

A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal

juin [17]

Answer: $H_0:p\leq0.72$

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Step-by-step explanation:

Given : A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 72% .

Let 'p' be the new proportion of high school seniors who felt that "getting rich" was an important personal goal .

Claim : $p\neq0.72$

We know that the null hypothesis has equal sign.

Therefore , the null hypothesis for the given situation will be opposite to the given claim will be :-

$H_0:p=0.72$

And the alternative hypothesis must be :-

$H_a:p\neq0.72$

Hence, the null hypothesis and the alternative hypothesis that we would use for this test :

$H_0:p\leq0.72$

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3 years ago

Write nineteen and fifty eight thousandths as a decimal

MakcuM [25]

19.58 this is the answer

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3 years ago

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Rita sells beaded necklaces. Each large necklace sells for $5.40 and each small necklace sells for $5.10 . How much will she ear

ziro4ka [17]

Answer:

$42.90

Step-by-step explanation:

to find how much money selling the large necklaces multiply the amount and how many were sold

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$37.80

add the money from the one small necklace that was sold

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Strike441 [17]

Grocery mart:

12÷$3.84=3.125

Food Shoppe:19÷$5.70=3.333

so grocery mart is cheaper by

0.2075333333

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3 years ago