3 years ago

Look at the blank with the number 3

Mathematics

1 answer:

Umnica [9.8K]3 years ago

8 0

Answer:

the answer is b

Step-by-step explanation:

the answer is b

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Simplify the expression:<br> 2a+4b=9c

fomenos

Answer:

$a=\frac{9c}{2}-b$

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

4 0

2 years ago

Read 2 more answers

It took Everly 55 minutes to run a 10-kilometer race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minu

slega [8]

$\bf \cfrac{10km}{55mins}\cdot \cfrac{0.621miles}{1km}\implies \cfrac{62.1miles}{55mins}\approx 1.12909909\approx \boxed{1.13\frac{miles}{mins}}$

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3 years ago

Gail has eight united states coins. Their total value is 93 cents. What coins does she have?

Kryger [21]

8 coins = $0.93

3 quarters = $0.75
1 dime = $0.10
1 nickel = $0.05
3 pennies = $0.03

3 + 1 + 1 + 3 = 8 coins

$0.75 + $0.10 + $0.05 + $0.03 = $0.93

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4 years ago

1. -2x(x+3)-(x+1)(x-2) =

Simora [160]

Answer:

$-3x^2 -7x + 2$

Step-by-step explanation:

Given

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

Required

Solve

Open brackets

$-2x^2 -6x - (x^2-2x + x - 2)$

$-2x^2 -6x - x^2-2x + x + 2$

Collect like terms

$- x^2-2x^2 -6x -2x + x + 2$

$-3x^2 -7x + 2$

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3 years ago

How many 9's are in 99

MrRissso [65]

Answer:

11 or 2

Step-by-step explanation:

11: You take 99/9 to see how many times 9 could go into 99, which would be 11.

2: You just look at the number and you see that there are 2 9s in 99.

-I hope this helps!-

-I didn't know which answer you were looking for so I put both!-

-Please mark as brainliest!-

-Good luck!-

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3 years ago