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3 years ago

5

A suspension bridge spans a river 1350 ft. wide. 30% of the bridge is on one side of the river and 25% is on the other side. The

total length of the suspension bridge is ______ ft.

1 answer:

faltersainse [42]3 years ago

5 0

Answer:

742.5 feet

Step-by-step explanation:

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Solve the equation without the use of a calculator. please Help!!! Thank you!!!<br> 12x^3-30x=8-2x^2

Arisa [49]

12x^3 +2x^2-30x = 8
2x( 6x^2 +x -15) = 8
so 2x= 8, x=4
(2x) ( 2x-3) ( 3x+5) = 8
2x-3 = 8
2x= 11
x= 5.5
3x+5=8
3x= 3
x=1

3 0

3 years ago

If a fair coin is flipped three times, the probability it will land heads up all three times is 1/8. Which of the following is t

ExtremeBDS [4]

Answer:

7/8

Step-by-step explanation:

if the probobilty that all three will be heads is 1/8 the probobilty of tails showing up once is 7/8 because 8/8 - 1/8= 7/8

3 0

3 years ago

Read 2 more answers

1.How much will $5,000 accumulate in 5 years if it earns 6% per annum for the first 3 years and then 8% per annum for the next 2

Pavel [41]

Answer: Amount after 5 years become $5937.60.

Step-by-step explanation:

Since we have given that

Principal amount = $5000

Time period = 5 years

Rate of interest for 3 years = 6%

Rate of interest for 2 years = 8%

so, Amount becomes

$Amount=5000(1+\dfrac{6}{1000})^3(1+\dfrac{8}{100})^2\\\\Amount=5000(1+0.006)^3(1+0.08)^2\\\\Amount=5000(1.006)^3(1.08)^2\\\\Amount=\$5937.60$

Hence, Amount after 5 years become $5937.60.

7 0

3 years ago

117 Divided by 3 and equal groups

Deffense [45]

117 divide 3 equals to 39 also they are equal groups as 39 x 3 equals to 117

8 0

3 years ago

A container has 20 12 cups of pancake mix. A serving uses exactly 2 ) cups.

just olya [345]

Answer:

10 full servings and $\frac{1}{4}$ cups leftover

Step-by-step explanation:

Our container has a total of 20 and a half cups. And each full serving is 2 cups.

So, we divide $\frac{20\frac{1}{2} }{2}$ .

To do this manually, we convert the numerator into an improper fraction: $\frac{\frac{41}{2} }{2}$ .

Now, we multiply the denominators: $\frac{41}{4}$ .

This will give us $10\frac{1}{4}$ servings. So we only have 10 full servings.

There are $\frac{1}{4}$ cups leftover.

4 0

3 years ago