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krek1111 [17]
3 years ago
12

Please help with this

Mathematics
1 answer:
sesenic [268]3 years ago
5 0
What do you need help with ?

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A forest covers 68,000 acres. A survey finds that 0.8% of the forest is old-growth trees. How many acres of old-growth trees are
I am Lyosha [343]

Answer:

544 acres

Step-by-step explanation:

There is 100% in a whole.

1% is 1/100th of the whole, or 0.01 of it. We get this because 1/100 = 1/100 = 0.01

Similarly, 0.8/100 = 0.008. We then multiply the decimal by the total to get

(0.008) ( 68000) = 544 acres

8 0
3 years ago
A box has the following measurements:SuccessLength = 8 cmWidth = 4.2 cmHeight = 3.1 cmThe volume of the box is calculated as len
Nata [24]

1. Multiply length times width as if they were integer number:

Now place the decimal point. To do it we have to keep in mind that the result will have as many decimals as the sum of the decimals of each number. In this case, only the width had one decimal, it means that the result will only have one decimal:

33.6

4 0
1 year ago
Which expression represents the algebraic phrase "eleven less than seven times a number"? 11x - 7 7 x minus 11 11 + 7x 11 minus
SIZIF [17.4K]

Answer:

7x minus 11

Step-by-step explanation:

7x would be 7 times whatever x is. then you subtract 11 from 7x. the reason you’re subracting 11 from 7x is because 11 has to be less than 7x (i understand negatives, but we’re not using that in this problem.)

4 0
3 years ago
Read 2 more answers
Solve the inequalities <br>1. t-7&lt;-15<br>2. b+12&lt;18
iren2701 [21]
Inequalities are just like equations it's just that the sign flips anytime you multipliy or divide by a negative number

1.
t - 7 <  - 15
First Add 7 to both sides
t +  (-7 + 7)<  ( - 15 + 7) \\ t <  - 8
2.
b + 12 < 18
First Subtract 12 From Both Sides
b + (12 - 12) < (18 - 12) \\ b  < 6

6 0
3 years ago
1. Triangle JKL is dilated by a scale factor of 1.5 with
Oduvanchick [21]

Answer:

A. yes

B. yes

C. no

Step-by-step explanation:

The coordinates of each point are (x, y).

J (-2, -3)

K (0, 2)

L (1, -4)

After being scaled by 1.5 about the origin, the coordinates are (1.5x, 1.5y).

J (-3, -4.5)

K (0, 3)

L (1.5, -6)

7 0
3 years ago
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