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3 years ago

I need help please this is important

Mathematics

1 answer:

ra1l [238]3 years ago

4 0

Answer:

down 2 right 5

Step-by-step explanation:

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$12,500 is invested, part at 9% and the rest at 5%. If the interest earned from the amount invested at 9% exceeds the interest e

marysya [2.9K]

Answer:

$1,538.00

Step-by-step explanation:

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2 years ago

The sum of a number times 6 and 21 is at least 24. what's the inequality

Alex777 [14]

Answer:

x ≥ 1/2

Step-by-step explanation:

6x + 21 ≥ 24

6x ≥ 3

x ≥ 1/2

check: (1/2 x 6) + 21 = 24

4 0

3 years ago

An online store sells speakers the higher prices sells 170 and the lower priced 90last week the store sold 4 times as many lower

maksim [4K]

Answer:

The number of lower-priced speaker sold was 28

Step-by-step explanation:

The complete question is

An online store sells two types of speaker. The higher-priced speaker sells for $170 and the lower-priced speaker sells for $90. Last week the store sold four times as many lower-priced speaker as higher-priced speaker. Combined sales totaled $3,710. How many lower-priced speaker did it sell?

Let

x ----> the number of higher-priced speaker sold

y ----> the number of lower-priced speaker sold

we know that

Last week the store sold four times as many lower-priced speaker as higher-priced speaker

$y=4x$ ----> equation A

Combined sales totaled $3,710

$170x+90y=3,710$ ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

Using a graphing tool

The solution is the point (7,28)

see the attached figure

therefore

The number of lower-priced speaker sold was 28 and the number of higher-priced speaker sold was 7

7 0

3 years ago

What is the simplified expression in standard form

Schach [20]

Answer:

$\boxed{\sf - 2 {p}^{2} - 11p - 35}$

Step-by-step explanation:

$\sf \implies - 2 {(p + 4)}^{2} - 3 + 5p \\ \\ \sf \implies - 2( {p}^{2} + 2(p)(4) + {4}^{2} ) - 3 + 5p \\ \\ \sf \implies - 2( {p}^{2} + 8p + 16) - 3 + 5p \\ \\ \sf \implies (( - 2) \times {p}^{2} ) + (( - 2) \times 8p) + ( ( - 2) \times 16) - 3 + 5p \\ \\ \sf \implies (- 2 {p}^{2} ) + ( - 16p ) + (- 32) - 3 + 5p \\ \\ \sf \implies - 2 {p}^{2} - 16p - 32 - 3 + 5p \\ \\ \sf \implies - 2 {p}^{2} + (- 16p + 5p) + ( - 32 - 3) \\ \\ \sf \implies - 2 {p}^{2} - 11p - 35$

4 0

4 years ago

Will mark as Brainliest

OleMash [197]

Answer:

32in^2

Step-by-step explanation:

1. you find the area of the triangles, which are all equal:

4*2/2 = 4. 4*4 = 16

2. find area of square:

4*4 = 16

3. add them together:

16+16 = 32

5 0

3 years ago

Read 2 more answers