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Nat2105 [25]
3 years ago
13

Find the product -3.5(5/7) A. -2.5 B. -2.1 C.-4.9 D. 2.5

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
4 0

Answer:

A. -2.5

hope that helped <3

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What is the slope for y=0.5x+10
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Figure A is a scale image of figure B.
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5 0
3 years ago
Joe sold a total of 10 baked goods. Each cookie costs $1.25 and each brownie costs $2.50. Joe made $20 at the bake sale. How man
AURORKA [14]

Answer:

4 cookies

Step-by-step explanation:

Let the number of cookies he sold be c and that of brownies be b.

Assuming that brownies and cookies are the only type of baked goods sold,

b +c= 10 -----(1)

Amount of money received= $20

b(cost of brownie) +c(cost of cookie)= $20

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From (1): b= 10 -c -----(3)

Substitute (3) into (2):

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Expand:

2.50(10) +2.50(-c) +1.25c= 20

25 -2.50c +1.25c= 20

-1.25c +25= 20

Being constants to 1 side:

-1.25c= 20 -25

-1.25c= -5

c= -5 ÷(-1.25)

c= 4

Thus, Joe sold 4 cookies.

8 0
2 years ago
Order of operations
pogonyaev
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

PEMDAS = Please Excuse My Dear Aunt Sally
3 0
3 years ago
Read 2 more answers
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