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3 years ago

What is the product of the following expression? 2x(x^2+x-5)

1 answer:

7 0

The first step to solving this expression is to multiply each term in the parenthesis by 2x
2x × x² + 2x × x - 2x × 5
now you need to calculate the first product
2x³ + 2x × x - 2x × 5
now youll calculate the second product of the expression
2x³ + 2x² - 2x × 5
lastly,, calculate the final product in the expression
2x³ + 2x² - 10x
since you cant simplify this expression any further,, the answer to your question is 2x³ + 2x² - 10x
let me know if you have any further questions
:)

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13.At the Finch School bake sale, donuts sell

aliina [53]

Answer:

Step-by-step explanation:

create a system of equations:

d + m = 104

2d + 3m = 243

now use substitution method based on 'd = 104 - m'

2(104 - m) + 3m = 243

208 - 2m + 3m = 243

208 + m = 243

m = 35

So, 35 muffins and 69 donuts were sold.

This is 34 more donuts than muffins.

7 0

3 years ago

A bird flies 50km everyday to collect food for his offspring and 20km to drink water. To fly this distance takes him 1 hour and

dem82 [27]

Answer:

42km/h

Step-by-step explanation:

70km=100 minutes

7km= 10min

42km=60min

42km/h

7 0

2 years ago

A dartboard has a circumference of 78.5 in.What is the diameter?

satela [25.4K]

$2 \pi r = circumference$
so,
$\frac{circumference}{2 \pi } = radius$

it equals 12.49 or 12.5 depending on rounding

I hope this helps!

4 0

3 years ago

Read 2 more answers

7/8 multiplied by 33/8 divided by 7/4=

Neporo4naja [7]

Answer:

924/448

Step-by-step explanation:

7/8×33/8

=231/64

=231/64÷7/4

=231/64×4/7

=924/448

8 0

3 years ago

Subtract. Write your answer as a fraction in simplest form.<br><br> −5/12 − 3/10=

OlgaM077 [116]

The answer would be -43/60 or -0.716 in decimal.

5 0

3 years ago