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Sveta_85 [38]
3 years ago
8

Can someone help me on questions 6 and 7 plz

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

Answer:

6: $52.70

7: 51 days

Step-by-step explanation:

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Please help asap :((((
White raven [17]

Answer: A

Step-by-step explanation:

Focus on what it is saying. It is saying that 5x IS LESS THAN OR EQUAL TO 15.

So we are looking for smaller numbers, that is, values of x, in order to make this statement true.

So on a number line we are looking for the left part shaded in.

Furthermore... notice that the sign has "or equal to". Thus the circle is going to be shaded in. The circle is not going to be open and empty. Through this we have eliminated answers B and C.

So the answer is A because— remember— the left side of the number line is shaded. It encompasses negative numbers. A negative number times 5 will definitely be less than 15.

4 0
2 years ago
Find the area of the shape below
Westkost [7]

Answer:

46.875

Step-by-step explanation:

A= l x w x h so you multiple all three numbers together and get your answer

3 0
3 years ago
The speed of the current in a creek is 5 mph. A person clan kayak 3 mi upstream in the same time that it takes him to kayak 13 m
Brut [27]

Answer:

8

Step-by-step explanation:

0) the basic formula is: L=v*t, where L - distance, v - speed/velocity; t - time;

1) if the person's speed in still water is 'v' and the speed of water is 5 (according to the condition), then the upstream speed is 'v-5' and the downstream speed is 'v+5';

2) according to the condition the upstream time and the downstream time are the same, it means t₁=t₂=t, where t₁=upstream time and t₂=downstream time;

3) according to the items above it is possible to make up the equation of the upstream travel: t(v-5)=3; ⇒ t=3/(v-5);

4) according to the items above it is possible to make up the equation of the downstream travel: t(v+5)=13; ⇒ t=13/(v+5);

5) if t=3/(v-5) and t=13/(v+5), then

\frac{3}{v-5} =\frac{13}{v+5}; \ => \ v=8.

8 0
2 years ago
Identify the cylinder with the smallest surface area
vovikov84 [41]

Answer:

A

Step-by-step explanation:

It has the smallest surface with an increase in height

4 0
3 years ago
Can someone help me please!!?? Eleven and seven-hundredths added to four and twenty-five hundredth the sum is
zloy xaker [14]

Answer:

15.32

Step-by-step explanation:

Eleven and seven-hundredths =11+\frac{7}{100}

(Here, \frac{1}{100} denotes the hundredth)

Four and twenty-five hundredth =4+\frac{25}{100}

Therefore,

Sum of Eleven and seven-hundredths added to four and twenty-five hundredth = 11+\frac{7}{100}+4+\frac{25}{100}

=15+\frac{32}{100}

=15+0.32

=15.32

8 0
2 years ago
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