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Tcecarenko [31]
3 years ago
9

Just 2 questions and were done. Night

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

I'm pretty sure the first one is b

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Does anyone know What is x+7=-7x-8
rjkz [21]

Answer:

x=-\frac{15}{8}

Step-by-step explanation:

x+7=-7x-8

Add 7x to both sides:

8x+7=-8

Subtract 7 from both sides:

8x=-15

Divide both sides by 8:

x=-\frac{15}{8}

3 0
4 years ago
The diameter of a cylinder is 1 yd. The height is 8 yd. What is the first step to finding the volume of the​ cylinder? Find the
Talja [164]

Answer:

D

Step-by-step explanation:

you find the radius by using the diameter

hence radius = diameter divide by 2 which is 1÷2 which is 0.5

next step the volume of the cylinder is πr^ 2h

22÷7 × 0.5×0.5×8 gives you 6.2857 to 5 significant number

3 0
3 years ago
Is 2x+3x=4 a function or not a function?
Crank

Answer:

f(x) = 3x2 + 5 and y = 3x2 + 5

Step-by-step explanation:

The expressions that follow f(x) = and y = are the same, so these are two different ways to write the same function: f(x) = 3x2 + 5 and y = 3x2 + 5.

4 0
4 years ago
You start a new job. After w weeks, you have (10w+110) dollars in your savings account and (36w+25) dollars in your checking acc
Lina20 [59]

Answer:

(46w+135) dollars

Step-by-step explanation:

Given that,

Amount in savings account = (10w+110) dollars

Amount in checking amount = (36w+25) dollars

We need to find an expression that represents the total in both accounts. It is simply the sum of amount in the savings account and checking amount.

Sum = (10w+110) dollars + (36w+25) dollars

= (10w+36w) + (110+25)

= (46w+135) dollars

Hence, the required expression is (46w+135) dollars

5 0
3 years ago
Triangles CDE and NOP are similar. The lengths of CD and NO are 53in and 212in, respectively. DE IS 106In long and NP is 318in.
Serggg [28]
Gttenbhgegegdggrggrggggg
7 0
3 years ago
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