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3 years ago

Helpp?? Please im very lost & need help with it

Mathematics

1 answer:

sukhopar [10]3 years ago

8 0

This is a typical algebra problem pretending to be geometry. The two indicated angles are supplementary, adding to 180 degrees, precisely when the lines are parallel.

It's not really indicated, but the 8 and the 2 are in units of degrees.

6x + 8 + 4x + 2 = 180

10x = 170

x = 17 degrees

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An open box is formed from a rectangular piece of cardboard whose length is 8cm more than its width by cutting squares of 2cm fr

Serggg [28]

If the width of the cardboard = x cm then its length is given by x + 8 cm.
Then the length of the box will be x + 8 - 2(2) = x + 4
and the width = x - 2(2) = x - 4 cm The height is 2 cm

Volume = h*w*l = 2(x - 4)(x + 4) = 256
2(x^2 - 16) = 256
x^2 - 16 = 128
x^2 = 144
x = 12 cm

Dimensions of the box are:-

length = 12 + 4 = 16cm
width = 12 - 4 = 8 cm
height = 2 cm

3 0

3 years ago

What is the volume of this rectangular prism? 30.75 cm^3

Alex787 [66]

This question is incomplete. Because it lacks the diagram of the Rectangular prism. Find attached to this answer the appropriate diagram.

Answer:

295.2 cm³

Step-by-step explanation:

A Rectangular Prism is a 3 dimensional geometric shape.

The formula used to calculate the volume of the Rectangular Prism = Length × Width × Height

Length = 15cm

Height = 4.8cm

Width = 4.1cm

Volume of the Rectangular Prism = 15cm × 4.8cm × 4.1cm

= 295.2 cm³

3 0

3 years ago

Number four please help. Whatever helps gets a Brainly award

pashok25 [27]

29.99 + 35.00 + 3.25 + 3.25 = 71.49

125.00 - 71.49 = 53.51

53.51 ÷ 22.50 = 2.4 = 2

She can buy 2 pairs of shoes.

Hope this helps!!
~Kiwi

8 0

3 years ago

a restaurant sells tea for 1.50 per cup. a group of 6 people order drinks. what is the domain and range for the situation?

konstantin123 [22]

Answer:

srry

Domain: (−∞,∞),{x|x∈R}

Range: {9}

Step-by-step explanation:

Find the domain by finding where the expression is defined. The range is the set of values that correspond with the domain.

5 0

3 years ago

Question and Answers below in photo!! Please answer! Will mark BRAINLIEST! ⬇⬇⬇⬇⬇⬇⬇

Aleks04 [339]

Answer:

72 $yd^{3}$

Step-by-step explanation:

Volume for a triangular prism = $\frac{1}{2}$ a · c · h

A = Height. C = Width. H = Length.

A = 3 yd. C = 8 yd. H = 6 yd.

V = 114 yd.

V = 114 yd ÷ 2 yd = 72 $yd^{3}$ .

5 0

3 years ago