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GaryK [48]
3 years ago
8

Solve it in elimination method 4x+3y=10​

Mathematics
1 answer:
zhenek [66]3 years ago
6 0
There is another equation to solve it simultaneously
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Find the measure of each angle indicated. Round to the nearest tenth.
Mumz [18]

Answer:

missing angle = 67.8 degrees

Step-by-step explanation:

cos-1 = \frac{adjacent}{hypotenuse}

cos-1 = \frac{5.3}{14}

cos-1 = 0.378571428

67.754 = 67.8

4 0
3 years ago
There are 19 children in Irene's preschool class. During free time yesterday, 7 of them chose to play dress-up. What is the expe
ICE Princess25 [194]

Answer:37%

Step-by-step explanation:

There are 19 children, so the denominator is 19.

There were 7 playing dress-up, so the numerator is 7.

The fraction is \frac{7}{19}. 7/19=0.3684~0.37

To convert decimals into percentage, mulitply by 100 and use a percent sign.

0.37*100=37%

6 0
3 years ago
Please help me otherwise I will fail (1/2 + 1/2)* 700​
REY [17]

Answer: 700

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Which function has a greater rate of change? Function A: x 1.5 2.5 3.5 4.5 5.5 y 5 0 –5 –10 –15 Function B: y = –4.5x + 15 Funct
expeople1 [14]

Answer:

Function A has a rate of change of -5 and Function B has a rate of change of -4.5, so Function B has a greater rate of

Step-by-step explanation:

Function A:

\begin{array}{cccccc}x & {1.5} & {2.5} & {3.5} & {4.5} & {5.5} \ \\ y & {5} & {0} & {-5} & {-10} & {-15} \ \end{array}

Function B:

y = -4.5x + 15

Required

Which has a greater rate of change

The rate of change of function A is calculated as thus:

m = \frac{y_2 - y_1}{x_2 - x_1}

Where:

(x_1,y_1) = (1.5,5)

(x_2,y_2) = (2.5,0)

So, we have:

m = \frac{0-5}{2.5 - 1.5}

m = \frac{-5}{1}

m = -5

For function B

The general function is:

y = mx + b

Where

m is the rate of change

By comparing y = mx + b to y = -4.5x + 15

m = -4.5

So, we have that:

Function A has a rate of -5; function B has a rate of -4.5.

By comparison: -4.5 is greater than 5

Hence, function B has a greater rate.

4 0
3 years ago
Plz help brainlest if correct
Elodia [21]

Answer:

Help with what....????

Step-by-step explanation:

5 0
3 years ago
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