4 years ago

Simplify 8 2(10 – r). a. 7r – 18 b. –2r – 18 c. –2r – 9 d. 28 – 2r

Mathematics

1 answer:

fiasKO [112]4 years ago

8 0

8 + 2(10 - r) = 8 + 20 - 2r = 28 - 2r

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Shkiper50 [21]

Answer:

infinite

Step-by-step explanation:

Let the linear equation in two variables be ax+by+c=0

Put values

$\\ \sf\longmapsto 1a+3b+c=0$

$\\ \sf\longmapsto a+3b+c$

Hence for any values it has infinite number of solutions .

including x=1 and y=3

6 0

3 years ago

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Please answer this correctly

Elan Coil [88]

Answer:

t=13

Step-by-step explanation:

the ratio of the shorter sides is t/4 and the ratio of the longer sides is 26/8 so t=26×4/8=104/8=13

8 0

3 years ago

Read 2 more answers

900x300+2.4000/3-2001

aliya0001 [1]

900x300=270,000 plus 2 would equal 270,002.4 devided by 3-2001 would equal 87,999.8

5 0

3 years ago

The table below shows the educational attainment of a country's population, aged 25 and over. Use the data in the table, express

Aloiza [94]

Answer:

The answer is " $\bold{\frac{22}{171}}$ "

Step-by-step explanation:

There are 22 million males that have completed four years of undergraduate, according to the data below: (or more). This is predicated on a population of 171 million.

The chances we're searching about $\frac{(22\ million)}{(171\ million)} = \frac{22}{171}$

however

This proportion could be further reduced because 22 and 171 have no common features (other than 1).

3 0

3 years ago

1. c+z when c = 3 and z = 17

ivann1987 [24]

1) 3+17= 20
2) 40-15= 25
3) 3 x 20= 60
4) 35/5= 7
5) 2 x 6= 1
12= 1
1/12.

8 0

3 years ago