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olasank [31]
3 years ago
8

Find the missing number in this proportion

Mathematics
1 answer:
podryga [215]3 years ago
5 0

Answer:

36

Step-by-step explanation:

Cross multiply

27 x 16 all divided by 12 =36

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4x^2+19x+19=0 to the nearest tenth
zzz [600]

Answer:

the answer is

Step-by-step explanation:

7 0
2 years ago
3/4+?/2=13/4 what is answer
Otrada [13]

The answer is <em>x</em>=5.

Solve for <em>x</em>. (The question mark should be <em>x</em>.)

\frac{3}{4}+\frac{x}{2}=\frac{13}{4}\\\frac{3}{4}+\frac{x}{2}-\frac{3}{4}=\frac{13}{4}-\frac{3}{4}\\\frac{x}{2}=\frac{5}{2}\\\frac{2x}{2}=\frac{5\times 2}{2}\\x=5

7 0
3 years ago
(2a² – b) (за² + 3b)
nataly862011 [7]

Answer:

a^4+3a^2-3b^2

Step-by-step explanation:

\hookrightarrow \: (2 {a}^{2}  - b)(3 {a}^{2}  + 3b) \\  \hookrightarrow \:2 {a}^{2} (3 {a}^{2}  + 3b) - b(3 {a}^{2}  + 3b) \\  \hookrightarrow \:6 {a}^{4}  + 6 {a}^{2} b - 3 {a}^{2} b - 3 {b}^{2} \\   \hookrightarrow \:{a}^{4}  + 3 {a}^{2} b- 3 {b}^{2}

6 0
2 years ago
Can someone help me with this math homework please!
KATRIN_1 [288]

Answer:

the correct options are 1, 2, 5, and 6th

1. and 2.

all functions have a dependant variable y and independent variable x, and the set of dependant variables is called its range whereas the set of independent variables is called its domain.

5. and 6.

In a horizontal line 1 input associates itself with exactly one ouput, even tho the output is constant (same) for all values of x, and that's the property of a function

3 0
3 years ago
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Rashid [163]
Not sure if there is a question here. However, I'll assume you're looking for when it lands. It takes about 24.6 minutes to land. 
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3 years ago
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