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Ostrovityanka [42]
3 years ago
7

PLEASE HELP

Mathematics
1 answer:
Gelneren [198K]3 years ago
4 0

Step-by-step explanation:

8.9x-5 and -6.8x+8

8.9-6.8 + -5+8

2.1x+3

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Can somebody help me find the surface area of this
-Dominant- [34]

Answer:

G. 7600 cm^{2}

Step-by-step explanation:

Step 1: Deconstruct the shape

2 rectangles with dimension of 50 cm x 20 cm

2 rectangles with dimension of 40 cm x 20 cm

2 rectangles with dimension of 40 cm x 50 cm

Step 2: Find surface area of the shapes

2(50 x 20) = 2000 cm^{2}

2(40 x 20) = 1600 cm^{2}

2(40 x 50) = 4000 cm^{2}

Step 3: Add the surface areas together

2000 + 1600 + 4000 = 7600 cm^{2}

Therefore the surface area is 7600 cm^{2} and the answer is G.

4 0
3 years ago
A: value of g(2) is larger than value of g(-4)
loris [4]

Answer:

g(2) = 4(2) - 5 \\  = 8 - 5 \\  = 3 \\  \\ g( - 4) = 4( - 4) - 5 \\  =  - 16 - 5 \\  =  - 21

The answer is A

8 0
3 years ago
Find the range for the measurement of the third side of a triangle, x, given the measures of the two sides: 6 ft and 13 ft.
Rudik [331]
|13-6| < x < |13+6|

So the range will be:

7 < x < 19
8 0
3 years ago
Solve the equation by expressing each side as a power of the same base and then equating exponents.
Kitty [74]
I hope this helps. If I need to know explain further let me know.

3 0
3 years ago
Read 2 more answers
A won a race at the local fair by running 10.5 miles in exactly 2 hours. At this constant​ rate, how long does it take the same
Luba_88 [7]

Answer:

The dog will run the 21-mile race in 4.04 hours

Step-by-step explanation:

The first thing we need to do is find out how far he ran the race at the local fair in 1 hour.

To do this, we can set up a simple relationship:

If he ran 10.5 miles in 2 hours,

He will run x miles in 1 hour

Cross multiplying, we have

x = (10.5 X 1)/2 = 5.25 miles in 1 hour.

We can now comfortably say that he runs at the rate of 5.2miles/hr

He now goes to the state fair race, which is 21 miles long.

if he runs at the rate of 5.2 miles in 1 hour,

He will run 21 miles in y hours

y = 21 / 5.2 = 4.04 hours

The dog will run the 21-mile race in 4.04 hours

3 0
3 years ago
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