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borishaifa [10]
4 years ago
13

Four-fifths of a number minus two is greater than three-tenths of twice that number. Solve

Mathematics
1 answer:
Bezzdna [24]4 years ago
4 0
4/5x-2>3/10*2x
4/5x-2>3/5x (3/10*2=3/5)
-2>-1/5x (subtract the 4/5x)
10<x (divide by -1/5 and change sign)
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Please help and thank you
o-na [289]

Answer:

D. g(x) = 1/4 x^2

Step-by-step explanation:

Horizontal stretched by a factor of 4 of parent function f(x) = x^2

-->

g(x) = 1/4 x^2

so answer is g(x) = 1/4 x^2

7 0
3 years ago
8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3
nata0808 [166]
=40mn-12m+40mn-9mn+6n-24m+72mn-5mn-36mn
=102mn-36m+6n
3 0
4 years ago
HELP!! ⚠️ In the diagram below, the two vertical segments are parallel. What is the total number of degrees in angles a, b, c, d
hodyreva [135]

Answer:

360°

Step-by-step explanation:

According to the properties of parallel lines, the following deductions can be made:

<a and <c are exterior angles of same side, therefore they are supplementary.

Thus,

m<a + m<c = 180°

<b and <d, are alternate interior angles, therefore, they are supplementary.

Thus, m<b + m<d = 180°.

The total numbers of degrees of a, b, c, d will all sum up to give 360°.

6 0
3 years ago
A surveyor wants to know the length of a tunnel built through a mountain. According to his equipment, he is
MrMuchimi

Answer:

Length of the tunnel is 51.7 meters

Step-by-step explanation:

We are given that,

The surveyor is located 54 meters from one entrance at an angle of 56°.

The surveyor is located 31 meters from one entrance at an angle of 13°.

Let the length of the tunnel = x meters

So, using the law of cosines, we get,

x^2=54^2+31^2-2\times 54\times 31\times \cos 69

i.e. x^2=2916+961-3348\times 0.3584

i.e. x^2=3877-1199.9

i.e. x^2=2677.1

i.e. x = 51.7 meters

Hence, the length of the tunnel is 51.7 meters

5 0
3 years ago
Can I have the answer step by step
iren2701 [21]
The equation you’re using here would be:
1300(1.04)^x.

After 3 years, you’d plug in 3 for the value of x.

The amount of money in the bank after 3 years would be $1,462.32.




3 0
4 years ago
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