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jasenka [17]
3 years ago
15

I Need help. Thanks.

Mathematics
2 answers:
Aneli [31]3 years ago
8 0

Answer:

y\ge \:-2

Step-by-step explanation:

-2(5y-5)-3y \leq -7y+22

Expand the brackets

-10y+10-3y \leq -7y+22

-10y-3y+10 \leq -7y+22

-13y+10 \leq -7y+22

Add 7y and -10 on both sides.

-13y+7y \leq 22-10

-6y \leq 12

Divide -6 on both sides.

\frac{-6y}{-6}\ge \frac{12}{-6}

y\ge \:-2

PIT_PIT [208]3 years ago
5 0

Answer:

A

Step-by-step explanation:

-2(5y-5)-3y\leq -7y+22

Expand parentheses:

-10y+10-3y\leq -7y+22

Move all y's to one side and numbers to the other:

-6y\leq 12

Divide both sides by -6. Since you are dividing both sides by a negative number, you need to flip the comparator:

y\geq -2

Hope this helps!

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Tuesday’s attendance was 70% of Monday’s attendance, 50. What was Tuesday’s attendance?
lara [203]

Answer:

35

Step-by-step explanation:

100 / 50 = 2

70 / 2 = 35

3 0
2 years ago
The shelf is made of 3 pieces of wood, each 0.3 meter wide. There is also 0.05 meter of space between the shelf and the wall on
lutik1710 [3]
Since there are 2 sides to the shelf, there is 0.05*2=0.05+0.05=0.1 meters of space between the shelf and wall in total. Next, since each piece of wood is 0.3 meters wide and we have 3 of them, the total width of the wood is 0.3+0.3+<something>
Note that <width of wood>+<space between shelf and well> =width of closet
I challenge you to finish this on your own - good luck, and feel free to ask with any further questions! 

8 0
3 years ago
The average distance between the Earth and the Moon is 384 400 km.<br> Express it in standard form.
ycow [4]

Answer:

3.84\times10^8\ m

Step-by-step explanation:

It is given that,

The average distance between the Earth and the Moon is 384 400 km.

We need to express in in standard form.

1 km = 1000 m

It means,

384400 km = 384400000 km

or

= 3.84\times10^8\ m

Hence, the average distance between the Earth and the Moon is 3.84\times10^8\ m.

3 0
2 years ago
Body fat percentage of 13.4% and weighs 182 pounds. How many pounds of his weight is made up of fat? Round to the nearest tenth
il63 [147K]

Answer:

It would be 24.4 pounds.

Step-by-step explanation:

First do: 13.4 / 100 = 0.134

Then, 182 * 0.134,

to get 24.4 pounds.

8 0
2 years ago
What does 5x evaluate to if x is equal to 2?
stiks02 [169]

Answer: Hi!

Since 5 is being multiplied by x, and x is equal to 2, be would multiply 5 and 2. 5 * 2 is equal to 10.

Hope this helps!

4 0
3 years ago
Read 2 more answers
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