3 years ago

Well I got this right in my test I got : x >= 50

Mathematics

1 answer:

Ne4ueva [31]3 years ago

7 0

Answer:

CONGRATS!!!!!

Step-by-step explanation:

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Step 1: 4y − 2y − 4 = −1 + 13

d1i1m1o1n [39]

You didn't list the options
btw
the next step should be

(add 4 to both sides)
2y = 16
or
2y - 4 + 4 = 12 + 4

8 0

3 years ago

Help please it’s for a test I’m so clueless!!!!!!

kumpel [21]

Answer:

h=12 A=144 sq. cm.

Step-by-step explanation:

pythagoream therom:

9^2+h^2=15^2

81+h^2=225

h^2=225-81

h^2=144

Sq. rt h^2=sq. rt 144

h=12cm

1/2(b1+b2)h

1/2(5+19)12

1/2(24)12

1/2(288)

a=144

6 0

3 years ago

How many solutions are there to the equation 7x+12=5x-8

alisha [4.7K]

There is 1 solution x=-10

7 0

3 years ago

Read 2 more answers

Work out the total surface area of the hemisphere which has a radius of 10cm

Naddik [55]

Answer:

942 square cm

Step-by-step explanation:

$Total \: surface \: area \: of \: hemisphere \\ = 3\pi {r}^{2} \\ = 3 \times 3.14 \times {10}^{2} \\ = 9.42 \times 100 \\ = 942 \: {cm}^{2}$

5 0

3 years ago

Aaron deposited $400 in a saving account earning 3% simple interest. write an equation to represent how much money (y) Aaron wou

klio [65]

$~~~~~~ \textit{Simple Interest Earned Amount \underline{in 15 years}} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$400\\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ t=years\dotfill &15 \end{cases} \\\\\\ A=400[1+(0.03)(15)]\implies A=400(1.45)\implies A=580 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=400(1.03x)~\hfill$

4 0

2 years ago