3 years ago

PLEASE HELP I HAVE PICTURE!!!!!!!!!!

Mathematics

1 answer:

DENIUS [597]3 years ago

3 0

Answer:

18 acres

Step-by-step explanation:

: ) hope it helps......

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Solve by factoring<br> x^2-10=9x

BabaBlast [244]

Answer:

x=10

Step-by-step explanation:

x^2 - 10 - (9x) = 0

x^2 - 9x - 10 = 0

(x - 10) + (x + 1) = 0

x= 10

x = -1

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3 years ago

Solve:<br> x - 1<br> _____=4<br> 2

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Answer:

5-1 = 4

4-2= 2

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Order the numbers from least to greatest: -5, 6, and 9.

julsineya [31]

Answer: -5, 6, and 9

Step-by-step explanation:

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3 years ago

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Annie went on a shopping trip to Lexington. Is she purchasing handbag originally priced at $25 but discounted 20%. If sales tax

VikaD [51]

Answer:

$0.05

Step-by-step explanation:

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3 years ago

Find the surface area of the right prism. Round to the nearest whole number.

andriy [413]

Answer:

$\large\boxed{S.A.=96\ cm^2}$

Step-by-step explanation:

We have:

(1) two trapezoids with bases b₁ = 7cm and b₂ = 5cm and the height h = 4cm

(2) three rectangles 3 cm × 7 cm, 3 cm × 4 cm and 3 cm × 5 cm.

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdot h$

Substitute:

$A=\dfrac{7+5}{2}\cdot4=24\ cm^2$

Calculate the areas of the rectangles:

$A_1=(3)(7)=21\ cm^2\\\\A_2=(3)(4)=12\ cm^2\\\\A_3=(3)(5)=15\ cm^2$

The Surface Area:

$S.A.=(2)(24)+21+12+15=96\ cm^2$

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3 years ago