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IrinaVladis [17]
3 years ago
11

Simplify the expression below. 4x(3x − 7) − 19x2

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

Step-by-step explanation:

4x(3x-7)-19x2

4x*3x=12x

-7*-19 = 133 * 2 = 266

12x + 266

Don't Trust This I suck at math, but I am confident that is the answer. It's either that or this: 12x-52. Trust me if you want. But I am warning you.

Dmitry [639]3 years ago
6 0

Answer:

The answer is

<h2>-7x² - 28x</h2>

Step-by-step explanation:

4x(3x − 7) − 19x²

Expand the terms

We have

12x² - 28x - 19x²

Group like terms

That's

12x² - 19x² - 28x

Simplify the terms

We have the final answer as

<h3>-7x² - 28x</h3>

Hope this helps you

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Trigonometry
Mashcka [7]

The area of the triangle EFG is 7.4 square units.

Explanation:

Given that the measurements of the sides of the triangle are EF = 8, EG = 8 and m\angle E=22^{\circ}

We need to determine the area of the triangle EFG

<u>Area of the triangle:</u>

The area of the triangle EFG can be determined using the formula,

\text {Area}=\frac{1}{2} fg \sin E

Substituting the values, we get,

\text {Area}=\frac{1}{2} (5)(8) \sin 22^{\circ}

Simplifying the values, we have,

\text {Area}=\frac{1}{2}(40)(0.37)

Multiplying, we get,

\text {Area}=\frac{14.8}{2}

Dividing, we get,

\text {Area}=7.4

Hence, the area of the triangle EFG is 7.4 square units.

3 0
3 years ago
Is Y=7.5x proportional or non proportional
kipiarov [429]
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4 0
3 years ago
Read 2 more answers
- Inessa ran 3 laps in 10 minutes. How long
Anni [7]

Answer: 16 minutes and 40 seconds

Step-by-step explanation:

1.) Divide 10 minutes by 3 laps in order to find out how long it takes her to run a single lap. (it ends up being 3 minutes and 20 seconds per lap)

2.) Multiply this number by 5, you get 16 minutes and 40 seconds.

NOTE: remember that you’re using intervals of 60 (seconds in a minute) rather than intervals of 100.

8 0
3 years ago
If Martha and Howard are 5 hours into the marathon, how far has<br> each person run?
vova2212 [387]

Answer: The Answer is 10

Step-by-step explanation:

8 0
3 years ago
Josh buys cucumbers that cost $0.62 per pound. He pays $2.79 for the cucumbers. How many pounds of cucumbers does Josh have?​
borishaifa [10]

Answer:

Josh bought 4.5 pounds of cucumbers.

Step-by-step explanation:

2.79 divided by the cost per pound, .62, is 4.5. Therefore he bought 4.5 pounds of cucumbers

6 0
3 years ago
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