3 years ago

Help pls will give brainliest to correct answer

Mathematics

1 answer:

Marysya12 [62]3 years ago

7 0

D is correct answers

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FOR 20 POINTS: What expression is represented in the model shown below?

Ivahew [28]

Answer:

I can't see the picture

Step-by-step explanation:

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3 years ago

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statuscvo [17]

Answer:

Step-by-step explanation:

The exponent of 10³ is 3. To multiply a number by 10³, move the decimal point two places to the right:

42.12 × 10³ = 42120.

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3 years ago

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KATRIN_1 [288]

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Step-by-step explanation:

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3 years ago

A chili recipe calls for 2 pounds of ground pork and 3.5 pounds of ground beef. The cost of ground beef per pound is $0.20 less

dmitriy555 [2]

Answer: $\$1.75\ \text{per pound}$

Step-by-step explanation:

Given

The recipe calls for 2 Pounds of ground pork and 3.5 pounds of ground beef

Suppose x is the cost of ground pork

So, the cost of ground beef is $2x-0.2$

The total cost of meat is $\$15.05$

The total cost can also be written as

$\Rightarrow 2\times x+3.5\times (2x-0.2)=15.05\\\Rightarrow 2x+7x-0.7=15.05\\\Rightarrow 9x=15.75\\\Rightarrow x=\frac{15.75}{9}=\$1.75\ \text{per pound}$

So, the cost of ground pork is $\$1.75\ \text{per pound}$

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3 years ago

The lengths of two sides of a triangle are shown below:

oksano4ka [1.4K]

Part A

$3x^2 -2x-1+9x+2x^2 -3=\boxed{5x^2 + 7x-4}$

Part B

$(5x^3 +4x^2 - x-3)-(5x^2 + 7x-4)=\boxed{5x^3 - x^2 - 8x+1}$

Part C

No, because although they provide examples for specific polynomials being closed under addition and subtraction, there is a loss of generality.

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2 years ago