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2 years ago

Can someone see if i did this correct? If not pls explain

Mathematics

1 answer:

Taya2010 [7]2 years ago

8 0

Answer:

Not right.

Step-by-step explanation:

m <HGJ + m <KGJ =180°

So, m <HGJ = 180° - m <KGJ = 180° - 86° =94°

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What is −4 1/3 ÷( −2 3/5)

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Answer:

5/3

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Step-by-step explanation:

mixed number from: 1 2/4

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3 years ago

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A random sample of 20 students from both the Science and Math club were surveyed about what supplies they would like to purchase

alekssr [168]

Answer:

84 students

Step-by-step explanation:

See the attached table

As shown there are 20 students from Math club, 7 of them would like to choose calculators.

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3 years ago

A teacher covered the exterior of a rectangular prism-shaped box that measured 8 inches by 9 inches by 10 inches using one sheet

Ahat [919]

Answer:

380 square inches

Step-by-step explanation:

We are given the measurements of the Rectangular Prism as

8 inches by 9 inches by 10 inches

Where based on the order of arrangement:

8 inches = Length

9 inches= Width

10 inches = Height

Step 1

Find the amount of wrapping paper needed

Perimeter = 2L + 2W

= 2 × 8 + 2 ×9

= 16 + 18

= 34 inches

Base = L × W

= 8 × 9

= 72 inches

Surface Area of the Rectangular Prism =PH + 2B

Where P = Perimeter

H = Height

B = Base

= 34 × 10 + 2× 72

= 340 + 144

= 484 square inches

The area of the Rectangular prism = 484 square inches

Step 2

So we were told that she used wrapping paper the measured 2 feet by 3 feet.

We would convert the values in feet to inches

1 ft = 12 inches

Length = 2 ft = 2 × 12 = 24 inches

Width = 3 ft = 3 × 12 = 36 inches

We find the area of the wrapping paper

Length × Width = 24inches × 36 inches = 864 square inches.

Step 3

The amount of square inches of wrapping paper left over is calculated as:

Area of the wrapping paper used - Area of the Rectangular prism

= 864 square inches - 484 square inches

= 380 square inches.

Therefore, the amount of square inches of wrapping paper left over is 380 square inches.

5 0

4 years ago

130/105 in its simplest form

Andreas93 [3]

130/105 in its simplest form

$\dfrac{130}{105}= \qquad 130= 2.5.13\qquad 105=3.5.7 \\ \\ \\ \dfrac{130}{105}= \dfrac{2.5.13}{3.5.7} \\ \\ \\ \dfrac{130}{105}= \dfrac{2.\not 5.13}{3.\not 5.7}= \dfrac{2.13}{3.7}= \boxed{ \dfrac{26}{21}} \\ \\ \\ \boxed{ \dfrac{130}{105}= \dfrac{26}{21}}$

I wish you much success in your studies!!!!

5 0

4 years ago