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Elis [28]
3 years ago
11

HELP PLS its advanced pre algebra grade 7

Mathematics
1 answer:
-BARSIC- [3]3 years ago
3 0

Answer:

x=4

Step-by-step explanation:

3/4(x+8)=9

simplify

3/4x+6=9

-6 -6

3/4x=3

multiply 4

3x=12

divide 3

x=4

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The triangles are similar. Find the value of the variable.
Vitek1552 [10]

Answer:

y = 27

Step-by-step explanation:

The given are two similar triangles.

We can use the following equation to find the variables:

\frac{y-3}{32} = \frac{18}{24}

Cross multiply fractions

32*18 = 24(y-3)

576 = 24y - 72

add 72 to both sides

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divide both sides by 24

27 = y

6 0
2 years ago
Howard's pawn shop bought an antique clock at the wholesale price of $725. Howard marked up the price of the clock
kkurt [141]

Answer:

942.50

Step-by-step explanation:

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217.5+725=942.5

5 0
3 years ago
Help to answer the questions.. ​
kirill [66]

Answer:

See Below

Step-by-step explanation:

The relation is :

=> {(-5,0)(2,8)(2,15)(4,16)}

Domain => x inputs of the relation

Domain = { -5 , 2, 4}

Range => y inputs of the relation

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6 0
3 years ago
Marina correctly simplified the expression , assuming thatHer simplifed expression is below.
Naddika [18.5K]

Answer:

Step-by-step explanation:

\frac{a^{m}}{a^{n}}=a^{m-n}

\frac{b^{4}}{b^{-3}}=b^{4-(-3)}=b^{4+3}=b^{7}

7 0
3 years ago
Each brick is 14 inches long, 8 inches wide, and 5 inches tall. if they used 16,800 in 3 of concrete, how many bricks did they m
Anestetic [448]
The answer is:  " 112 bricks " .
________________________________________________
Explanation:
_______________________________________________

 Volume of each brick:  (14 in) * (8 in) * (5 in) = 560 in³ .
_______________________________________________
 Now:
 
16800 in³ ÷ 560 in³ = 16800 ÷ 560 = 1680 ÷ 56 = 112.
_________________________________________________
5 0
3 years ago
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