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charle [14.2K]
3 years ago
5

Plz help asap and plz show me how to do this..thxs I really need help with this

Mathematics
1 answer:
Fed [463]3 years ago
3 0
 G is the answer because if you set x as the value of B, then x+(x+10)+(x+30)=180 so x=46.67. then you add 10 to that because the value of A is 10 more than B
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The cost per week of running a boarding house is partly constant and partly
patriot [66]

Answer:

the cost of running the boarding

house for 600 students is N61,000

Step-by-step explanation:

Let C represents cost

K1 represents first constant

K2 represents second constant

C= k1+k2n

3500 = k1 + 25 k2............. Eqn(1)

6000= k1 + 50 k2 .............. Eqn(2)

Subtract eqn(1) from eqn(2)

2500= 25k2

K2= 2500/25

K2= 100

To get k1 from eqn(1)

3500 = k1 + 25 k2

Substitute the value of k2

3500 = k1 + 25 (100)

3500= k1 +2500

K1= 3500- 2500

K1= 1000

The equation connecting them;

C= 1000+ 100n

The cost of running the boarding

house for 600 students is

n= 600

C= 1000+ 100(600)

C= 1000+60000

C= N 61,0000

6 0
3 years ago
On the coordinate grid of a map, Josie's house is located at (2,7). Her school is located at (-5,5). If each map unit equals one
oksian1 [2.3K]
To find the distance you would use the distance formula which is:
d =  \sqrt{(x2-x1)^{2}+(y2-y1)^{2}} =  \sqrt{(2-(-5))^{2}+(7-5)^{2}}

This equals:
d =  \sqrt{(7)^{2}+(2)^2} =  \sqrt{49+4} =  \sqrt{53} = 7.2801
7 0
3 years ago
Read 2 more answers
Help please thank you
Sergeeva-Olga [200]

Answer:

0.25

Step-by-step explanation:

4 0
3 years ago
Factor the polynomial. 8x^2 - 50
blsea [12.9K]
2 • (2x + 5) • (2x - 5)
6 0
3 years ago
A movie fanatic has amassed a giant collection of home movies, some on DVD and others in the older VHS cassette mode. If the fan
frosja888 [35]

Answer:

984

Step-by-step explanation:

DVDs comprises 31.3% of total. And we also know that there are 308 DVD. Thus, we can say:

308 is 31.3% of total

We can let total be x, thus we can write an equation as:

308 = 0.313x

Solving for x:

308 = 0.313x\\x=\frac{308}{0.313}\\x=984.02

We can round and say there are 984 total movies

4 0
3 years ago
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