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n200080 [17]
2 years ago
13

Simplify and expand the equation below 7(2-x)-(x-3)​

Mathematics
1 answer:
Tanya [424]2 years ago
3 0

Answer:

- 8x + 17

Step-by-step explanation:

7(2 - x) - (x - 3)​

14 - 7x - x + 3

- 8x + 14 + 3

- 8x + 17

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The length of a rectangle is 5 more than twice the width. If the perimeter of th
Deffense [45]
L=length, w=width
l=2w+5
2l+2w=34
2l=4w+10 [here I just multiplied the first equation by two]
4w+10+2w=34 [substitute 4w+10 for 2l]
6w=24, w=4
remember l=2w+5 so l=2(4)+5=13

Answer: The length is 13.
3 0
2 years ago
Please help me solve this step by step ASAP please
Alex_Xolod [135]
Y=130 hope this helps
Step by step:
If y =10 when x =4 then
y=130 when x= 52 because it it multiplied by 13 4*13=52 then 10*13=130
6 0
3 years ago
A basketball player that shoots 80% from the free throw line attempts two free throws. The notation for conditional probability
Juliette [100K]

Answer:

P(made 2nd attempt|made 1st attempt)=P(made 2nd attempt)

Step-by-step explanation:

Here given that a basketball player that shoots 80% from the free throw line attempts two free throws.

If x is the no of shoots he makes (say) then we find that each throw is independent of the other.

In other words, because he made successful first attempt, his chances for second attempt will not change

Prob for success in each attempt remains the same as 0.80

Hence I throw is independent of II throw.

When A and B are independent,then we have

P(A/B) = P(A)

Hence answer is

P(made 2nd attempt|made 1st attempt)=P(made 2nd attempt)


8 0
3 years ago
Paige lives 3 miles east of her school. Diego lives 8 miles west of the school. What is the distance between Paige's house and D
siniylev [52]
If paige lives 3 miles, and deigo lives 8 miles away, then you add 3 and 8 to get 11 milles
4 0
3 years ago
In the figure shown, r || s. If the measure of ∠ 2 = 146°, what is the measure of ∠ 7
borishaifa [10]

Answer:

34°

Step-by-step explanation:

1. First, let's find the measure of ∠1 because since r || s, that means ∠1 = ∠7 because they're both alternate exterior angles. Alternate exterior angles are congruent.

2. (Solving for ∠1)

  • 146 + x = 180
  • 146 + x - 146 = 180 - 146
  • x = 34

3. Now, since we know ∠1 = ∠7, ∠7 = 34°.

3 0
2 years ago
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