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soldi70 [24.7K]
3 years ago
14

A. x = 40 c. x = 20 b. x = 10 d. x = 15

Mathematics
2 answers:
velikii [3]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Multiply x/20 each side

Marianna [84]3 years ago
6 0

Answer:

b

Step-by-step explanation:

20/x=2

*x        *x

20=2x

:2     :2

10=x

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If ba-cd =b which expression represents "a"?A. b-cd/bB. b+cd/bC. b/b-cdD. b/b+cd
navik [9.2K]

Isolating the variable 'a' in the expression, we have:

\begin{gathered} ba-cd=b \\ ba=b+cd \\ a=\frac{b+cd}{b} \end{gathered}

So the correct option is B.

7 0
1 year ago
I need help simplifying this expression ( 7y - 8 + 6y - 3) please explain thanks !
Anon25 [30]
<span>7y - 8 + 6y - 3
= 13y - 11

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3 0
2 years ago
Read 2 more answers
A, B, and C are points of tangency. CQ = 5, PQ = 10, and PR = 14. What is the perimeter
igomit [66]

*see attachment for diagram

Answer:

Perimeter = 38

Step-by-step explanation:

Recall: when two tangents are drawn to meet at a point outside a circle, the segments of the two tangents are congruent.

Given,

CQ = 5

PQ = 10

PR = 14

Perimeter of ∆PQR = RC + CQ + QB + BP + PA + AR

CQ = QB = 5 (tangents drawn from an external point)

BP = PQ - QB

BP = 10 - 5 = 5

BP = PA = 5 (tangents drawn from an external point)

AR = PR - PA

AR = 14 - 5 = 9

AR = RC = 9 (tangents drawn from an external point)

✔️Perimeter of ∆PQR = RC + CQ + QB + BP + PA + AR

= 9 + 5 + 5 + 5 + 5 + 9

Perimeter = 38

7 0
3 years ago
The vertex of this parabola is at (2, -1). When the y-value is 0, the x-value is 5. What is the coefficient of the squared term
kolbaska11 [484]
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I need help plsss!!!!!!!!!
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