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ikadub [295]
3 years ago
6

Expand this equation 2x(5x-2)

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

Answer:

10x^2-4x

Step-by-step explanation:

We will have to open the bracket first

So let's solve

2x(5x-2)

10x^2-4x

Since we are not asked to solve further so we will have to leave he final answer as 10x^2-4x

But in the case where a certain value is given to substitute for x we will have to solve further

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Last week, Kip went to the fair. It costs $4.95 to enter the fair and $0.50 per ticket. In the equation below, x represents the
SCORPION-xisa [38]

Answer:

for me its 8

Step-by-step explanation:

im not that sure

5 0
3 years ago
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(+8)-(-9)+(-16)-(-4)=
otez555 [7]

Answer:

5

Step-by-step explanation:

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3 years ago
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HELPPP ME OUTTTT!!!!!
ryzh [129]

Answer:

Measure of the unknown angle is 21°.

Step-by-step explanation:

In the given question,

Measure of opposite side and the measure of hypotenuse have been given.

Therefore, we will use the trigonometric ratio for the unknown angle which has the ratio of opposite side and the hypotenuse.

\text{sin}\theta=\frac{\text{Opposite side}}{\text{Hypotenuse}}

      =\frac{13}{36}

      =0.36111

\theta \approx \text{sin}^{-1}(0.36111)

\theta \approx 21.17

\theta \approx 21^{\circ}

Therefore, measure of the unknown angle is 21°.

3 0
3 years ago
The price of sugar increased by 20%. What percent of sugar would the family have to stop using so that they pay the same amount
scoundrel [369]

Answer:

9.16

Step-by-step explanation:

We know that

Total expense = price of sugar * consumption

let price of sugar was 100

So total expense = 100*10=1000

But now new expense =1100 (I,e.10% more than 1000)

and new price =120(i,e. 20% more than 100)

So new consumption = new expense/ new price=

1100/120

=110/12

=9.16

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

6 0
4 years ago
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