PLEASE HELP WILL MARK BRAINLIEST

Mathematics

2 answers:

musickatia [10]3 years ago

8 0

First, determine the blueberries needed for only 1/3 cup of jam
for 1/3 cup = for 2/3 cup ÷ 2
for 1/3 cup = 3/4 ÷ 2
for 1/3 cup = 3/4 × 1/2
for 1/3 cup = 3/8
We need 3/8 pounds of blueberries for 1/3 cup of jam

Second, determine the blueberries needed for a cup of jam
a cup means 3/3 cup, so the blueberries needed will be
for 3/3 cup = for 1/3 cup × 3
for 3/3 cup = 3/8 × 3
for 3/3 cup = 9/8

Change it to mixed fraction
9/8 = 1 1/8
For a cup of jam we need 1 1/8 pounds of blueberries
The answer is first option

egoroff_w [7]3 years ago

3 0

Option 4 is the correct answer

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PLEASE HELP ASAP!!!FOR A A TEST!

Rudiy27

Answer:

2/5

Step-by-step explanation:

If it landed right side up 12 times out of a total of 30 times, you can write this as a fraction: 12/30.

Simplify the fraction:

12/30 divided by 6/6

2/5

This means that 2/5 is the probability.

8 0

3 years ago

Find the island height of a pyramid with a volume of 432 ft^3 if the base is a square with a side length of 12 ft. Round to the

dmitriy555 [2]

So the picture below shows what the slant height is. It also shows that the pyramid can form a right triangle, in which we can use the pythagorean theorem, which is $leg^2+leg^2=hypotenuse^2$ .

But first, we have to find the height of this pyramid. The volume formula for a square pyramid is $A=\frac{lwh}{3}$ . Since we know its a square pyramid, the length and width are going to be the same (12 ft), and we know that the volume is 432 ft^3. Using this info, we can solve for the height:

$432=\frac{12*12*h}{3}\\ 1296=12*12*h\\ 1296=144*h\\ 9=h$

So now we can use the pythagorean theorem (remember to split the 12 by 2, since the right triangle has only half the length of the base). Our equation will be solved as such:

$6^2+9^2=s^2\\ 36+81=s^2\\ 117=s^2\\ 10.8=s$