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jeka94
2 years ago
6

Can someone help me with this question?

Mathematics
1 answer:
elena55 [62]2 years ago
6 0

Answer:

238

Step-by-step explanation:

28÷4=7

7x6=42

7x3=21

7x4=28

7x7=49

7x3=21

7x3=21

7x4=28

(28x3)+(21x3)+49+42

84+(21x3)+49+42

84+63+49+42

147+49+42

147+91

238

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−1 + 6 = 5 + 8 + 4<br> Group of answer choices
Stella [2.4K]

Step-by-step explanation:

your answer is 22.

if you have -1 + 6 = 5 theres your first answer 5

5 + 8 is equal to 13

13 + 5 + 4 = 22

<h3 /><h3>your answer would be a total of 22</h3>

7 0
3 years ago
Amy received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.24 per pound. After buying the c
SVEN [57.7K]

Answer:

5 pounds

Step-by-step explanation:

Given that:

Amount of gift card = $80

Cost of coffee per pound = $8.24

Amount left in the card = $38.80

To find:

Number of pounds of coffee bought = ?

Solution:

Let the number of pounds of the coffee bought = x pounds

Cost of 1 pound = $8.24

Cost of x pounds = $8.24 \times x

Writing the equation as per question statement:

80 - 8.24x = 38.80\\\Rightarrow 80 - 38.80 = 8.24x\\\Rightarrow  8.24x = 41.2\\\Rightarrow x = \dfrac{41.2}{8.24}\\\Rightarrow \bold{x = 5\ pounds}

Therefore, 5 pounds of coffee was bought.

3 0
3 years ago
Simplify 8 + 3{x - 2[x + 5(x + 3)]}.<br><br> -33x + 82<br> 33x - 82<br> -33x - 82
77julia77 [94]

Answer:

<h2>-33x - 82</h2>

Step-by-step explanation:

Use

PEMDAS:

P      Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

and the distributive property a(b + c) = ab + ac.

1)\qquad5(x+3)=5x+15\\\\2)\qquad x+5(x+3)=x+5x+15=6x+15\\\\3)\qquad2[x+5(x+3)]=2(6x+15)=12x+30\\\\4)\qquad x-2[x+5(x+3)]=x-(12x+30)=x-12x-30=-11x-30\\\\5)\qquad3\{x-2[x+5(x+3)]\}=3(-11x-30)=-33x-90\\\\6)\qquad8+3\{x-2[x+5(x+3)]\}=8+(-33x-90)=-33x-82

5 0
3 years ago
Factor 14x2+6x-7x-3 by grouping
QveST [7]

14x^2+6x-7x-3

14x^-7x  +6x-3

group

7x(2x-1) +3(2x-1)

factor out (2x-1)


(2x-1)(7x+3)

5 0
2 years ago
A garden table and a bench cost $770 combined. The garden $ 80 table costs less than the bench. What is the cost of the bench?
aleksklad [387]

The answer is 690 if you subtract the two numbers you will find the cost of the bench.

7 0
3 years ago
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