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Ganezh [65]
3 years ago
12

Need help 7 th grade math from 5 to 7

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

5) B=42° F=69° H=64° K=53°

6) Triangle ABC and Triangle JKL

Triangle DEF and Triangle GHI

Step-by-step explanation:

85+53+x=180

×=180-85-53

×=42

repeat for the rest

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Evaluate the expression for x=7 and y=-2 <br>4x+4y​
almond37 [142]

Answer:

4*7+4*-2

= 28-8

= 20

is the correct answer

5 0
3 years ago
Read 2 more answers
Compute the following volume and surface area.
Vesnalui [34]

The surface area of rectangular solid is 208 square centimeter

The volume of rectangular solid is 192 cubic centimeter

<h3><u>Solution:</u></h3>

Given that rectangular solid has sides of 4 cm, 6 cm, and 8 cm

To find: surface area and volume of rectangular solid

Length = l =  4 cm

Width = w = 6 cm

Height = h = 8 cm

<h3><em><u>The formula to find the surface area of a rectangular prism is:</u></em></h3>

Surface Area = 2wl + 2lh + 2hw

where w is the width, the l is the length, and the h is the height.

\text {surface area }=2(4 \times 6)+2(4 \times 8)+2(8 \times 6)\\\\\text {surface area } = 2(24) + 2(32) + 2(48)\\\\\text {surface area } = 48 + 64 + 96 = 208

Thus the surface area of rectangular solid is 208 square centimeter

<h3><em><u>The formula for volume of rectangular solid is:</u></em></h3>

Volume = Length \times Height \times Width

volume = 4 \times 6 \times 8 = 24 \times 8 = 192

Thus the volume of rectangular solid is 192 cubic centimeter

7 0
3 years ago
Indicate the method you would use to prove the two A's. If no method applies, enter "none".
VikaD [51]
AAS is your answer because you have 30 and 70 degrees next to each other and they are both angels and then 10 which is a side
You would use AAS because that’s the pattern or your triangle
3 0
2 years ago
Read 2 more answers
[(7+3)x5-4](divided by) 2+3<br> SHOW ALL WORK WILL MARK BRAINLIEST
Nesterboy [21]

Answer:

26

Step-by-step explanation:

[(7+3)5-4]/2+3

-To solve this equation you have to use PEMDAS

P- Parentheses

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction-

- With MD and AS you work left to right of the equation since they are in the same spot. (PE[MD][AS])

Step 1) [(10)5-4]/2+3

- First you do "P," parentheses, so you add 7+3=10

Step 2) [50-4]/2+3

- Next you do "M," multiplication, and multiply 10x5=50

Step 3) [46]/2+3

- Then you do "S," subtraction, and subtract 50-4=46

(FYI: Steps 1-3 were still in the parentheses. We had to start with the parentheses in the parentheses, work PEMDAS, and now we are out of the parentheses and have to work PEMDAS on the rest of the problem.)

Step 4) 23+3

- Now we do "D," division, and divide 46/2=23

Step 5) 23+3=6

- Finally we do "A," addition, and add 23+3=26 so the answer is 26

(FYI: "/" means division)

4 0
3 years ago
What is a equation in slope intercept form for a line that passes through (5,4) and has a slope of -5
liubo4ka [24]

Answer:

Step-by-step explanation:

The easiest way to complete this is too use this data and put it into point-slope form. This is written as,  y-y1=m(x-x1)

In this equation y1 is the y- coordinate of your point and x1 is the x-coordinate. M in this case would also be known as the slope.  

Now we can submit our data-----

y-4=-5(x-5)   -------- simplify

y-4=-5x+25  --------

y=-5x+28

6 0
4 years ago
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