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3 years ago

What is the answer to t+6≤10?

Mathematics

1 answer:

AleksAgata [21]3 years ago

4 0

Answer:

t≤4

Step-by-step explanation:

t+6≤10

Subtract 6 from each side

t+6-6≤10-6

t≤4

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A piece of string is 144 inches long. Isabel wants to cut it into 2 pieces so that one piece is five times as long as the other.

Alex Ar [27]

Answer:

24 inches
120 inches

Step-by-step explanation:

The lengths can be found by considering their ratio:

short : long = 1 : 5

The sum of the ratio units is 1+5 = 6, and the sum of the lengths is 144 inches. That means each "ratio unit" stands for (144 in)/6 = 24 inches of length.

The lengths are ...

1 : 5 = 24 in : 120 in

The pieces are 24 inches and 120 inches in length.

Equivalently, you can let s represent the shorter length. Then 5s is the longer one, and their total is ...

s +5s = 144

s = 144/6 = 24

5s = 5(24) = 120

The lengths are 24 inches and 120 inches.

5 0

2 years ago

The ratio of blue marbles to white marbles Simran's bag is equal to 1 to 2. If there are 20 blue marbles how many white marbles

Nastasia [14]

There are 40 white marbles.

6 0

3 years ago

You have two job offers. Conn’s offers a weekly salary of $500 plus commission of 3% of sales. Best Buy offers a weekly salary o

denis23 [38]

Answer: y=3x+500 and y=2x+400

Step-by-step explanation:

you are going to get the weekly salary anyways, but the percentage of sales all depends on what you are doing to make sure you are selling things.

7 0

2 years ago

In another aquarium display, there are 40 fish in each of 7 large tanks. How many fish are in the display?

expeople1 [14]

In this particular question, you just need to multiply the number of tanks with the number of fish each tanks able to contain.

So, 7 x 40 = 280 fishes

4 0

3 years ago

Students at a certain school were surveyed, and it was estimated that 10% of college students abstain from drinking alcohol. T

MissTica

Answer:

you are unwilling to predict the proportion value at your school = 0.90

b)

The large sample size 'n' = 864

Step-by-step explanation:

Given estimated proportion 'p' = 10% = 0.10

Given Margin of error M.E = 0.02

Level of significance α = 0.05

you are unwilling to predict the proportion value at your school

q = 1- p = 1- 0.10 =0.90

The Margin of error is determined by

$M.E = \frac{Z_{\frac{\alpha }{2} } \sqrt{p(1-p)} }{\sqrt{n} }$

$0.02 = \frac{1.96 X \sqrt{0.10 (0.90)} }{\sqrt{n} }$

Cross multiplication , we get

$\sqrt{n} = \frac{1.96 X \sqrt{0.10 (0.90)} }{0.02 }$

√n = 29.4

Squaring on both sides , we get

n = 864.36

Conclusion:-

The large sample size 'n' = 864

7 0

3 years ago