2 years ago

In which of the expressions below will x = 3? Select all that apply.

Mathematics

1 answer:

Westkost [7]2 years ago

7 0

Answer: b

Step-by-step explanation: 19 x 3 = 57 & 12 x 3= 36 so subtract 57 and 36 that’s going to give you 21 & 21 plus 6 is 27

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A man earns 12,000 per year, 10% of it was spent on transport while 5% of the salary went as tax. He spent 80% of the remainder

weqwewe [10]

Answer:

Amount left = 2040

Step-by-step explanation:

Given that:

Per year salary = 12,000

Amount spent on transport = 10%

Transport = $\frac{10}{100}*12000$ = 0.1 * 12000

Transport = 1200

Tax = 5%

Tax = 0.05 * 12000

Tax = 600

Total = 1200 + 600 = 1800

Amount left = 12000 - 1800 = 10200

Food = 80% of remainder

Food = 0.8 * 10200

Food = 8160

Amount left after food = 10200 - 8160 = 2040

Hence,

Amount left = 2040

3 0

2 years ago

Looking for help with number 35

babunello [35]

$1032.50, Growth rate - 5.23% was the US gross national product

7 0

2 years ago

For angle theta with the point (15, -8) on its terminating side, what is the value of cosine?

viva [34]

X^2 + y^2 = r^2
15^2 + (-8)^2 = [sqrt(17)]^2
r= 17

cos(theta) = x/r = 15/17
Letter B

4 0

2 years ago

Read 2 more answers

What’s the difference in these two questions and why did we divide in one and multiple in one ( also why did we divide by8 in qu

kari74 [83]

Answer:

times and divide

they are both diffrent equations

5 0

1 year ago

.5y=y-12<br><br> what does why equal ?

lord [1]

Answer:

-3

Step-by-step explanation:

$5y = y - 12 \\ 5y - y = - 12 \\ 4y = - 12 \\ y = \frac{ - 12}{4} = - 3$

3 0

2 years ago