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Degger [83]
3 years ago
10

What is z? will give brainliest:)

Mathematics
1 answer:
OLga [1]3 years ago
8 0

Answer:

z = 1

Step-by-step explanation:

Since this is an equation we can cross multiply the fractions

7/z = 84/12 ➡ 84×z = 7×12

84z = 84 divide both sides by 1

z = 1

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Please help. no links
olga nikolaevna [1]

Answer:

144

Step-by-step explanation:

20×12=240

add 4 to 20 and 12

makes a new rectangle 24×16

24×16=384

384-240=144

7 0
3 years ago
How many times does 1 and 7/8 go into at least nine but less than 10?
Gelneren [198K]
Should be four times to get in between 9 and 10
7 0
3 years ago
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What is |1-8i|?<br><br> A.<br> B.<br> C<br> D
kondor19780726 [428]

9514 1404 393

Answer:

  (b) √65

Step-by-step explanation:

The modulus of a complex number is the root of the sum of the squares of the real and imaginary parts.

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3 0
2 years ago
A ski patrol unit has nine members available for duty, and two of them are to be sent to rescue an injured skier. In how many wa
alexgriva [62]

Answer:

36

Step-by-step explanation:

The number of two of the nine members of ski patrol unit can be chosen is equal to the combinations of 9 taken 2. This can be calculated using the formula:

\frac{9!}{2!*(9-2)!}  

= \frac{9!}{2!*7!}, where

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7!=7×6×5×4×3×2×1

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=\frac{9*8}{2} =36

4 0
3 years ago
(4x+3)(2x-5)<br><br> Help please 10 points
Yanka [14]

Answer:

Step-by-step explanation:

hello :

(4x+3)(2x-5)=0

4x+3=0 or 2x-5=0

x= -3/4 or x=5/2

5 0
3 years ago
Read 2 more answers
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