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3 years ago

11

There are three consecutive integers such that the sum

1 answer:

postnew [5]3 years ago

7 0

feleetus

Step-by-step explanation:

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Open Picture Need Help With 11 & 12

likoan [24]

Answer:

Step-by-step explanation:

7). (x + 3)(x + 7)

= x(x + 7) + 3(x + 7)

= x² + 7x + 3x + 21

= x² + 10x + 21

8). (4x + 2)(x - 2)

= 4x(x - 2) + 2(x - 2)

= 4x² - 8x + 2x - 4

= 4x² - 6x - 4

9). (3x + 2)(2x + 5)

= 3x(2x + 5) + 2(2x + 5)

= 6x² + 15x + 4x + 10

= 6x² + 19x + 10

10). (x² - 6)(x - 4)

= x²(x - 4) - 6(x - 4)

= x³ - 4x² - 6x + 24

11). (x² + 9)(x - 3)

= x²(x - 3) + 9(x - 3)

= x³ - 3x² + 9x - 27

12). (4x²- 4)(2x + 1)

= 4x²(2x + 1) - 4(2x + 1)

= 8x³ + 4x² - 8x - 4

4 0

3 years ago

The hardware store where you work charge 80 cents including tax, for a pound of nails. A customer purchases 5 3/4 pound of nails

Sophie [7]

Answer:

$4.60

Step-by-step explanation:

1 lb ---> 80 cents

5 3/4 lb ---> 5 3/4 * 80 cents

$5 \dfrac{3}{4} \times 80 =$

$= \dfrac{23}{4} \times \dfrac{80}{1}$

$= \dfrac{23 \times 80}{4 \times 1}$

$= \dfrac{1840}{4}$

$= 460$

460 cents = $4.60

5 0

3 years ago

Read 2 more answers

Jace's car used 14 gallons to travel 378 miles. How far can he travel on 13 gallons?

nata0808 [166]

Answer:

351 miles

Step-by-step explanation:

14 gallons for 378 miles = 1 gallon for 27 miles

1 * 13 gallons = 27 * 13 miles

13 gallons = 351 miles

6 0

2 years ago

A segment in the complex plane has a midpoint at 3 – 2i. If one endpoint of the segment is at 7 i, what is the other endpoint? –

Brut [27]

The midpoint of a segment divides the segment into equal halves

The other endpoint is 1- 5i

<h3>How to determine the missing endpoint </h3>

The coordinates are given as:

Point 1: 7 + i

Midpoint: 3 - 2i

Represent the other endpoint with x.

So, we have:

2 * Midpoint = Point 1 + x

This gives

$2 * (3 - 2i) =7 + i + x$

$6 - 4i =7 + i + x$

Collect like terms

$x = 6 -7- 4i -i$

Evaluate the like terms

$x = 1- 5i$

Hence, the other endpoint is 1- 5i

Read more about midpoints ta:

brainly.com/question/9635025

6 0

2 years ago

I am doing tessellations I need help what does this look like

Naily [24]

I can’t do it rn so just dm me later

7 0

4 years ago