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3 years ago

Challenge Three friends started savings accounts at the same time, with the same initial deposit.

Mathematics

2 answers:

Wittaler [7]3 years ago

5 0

Answer: B

Step-by-step explanation:

TiliK225 [7]3 years ago

4 0

Answer:

Step-by-step explanation:

The values given are the change in their account balance. We can identify this by the words "Louise's account shows a total change of," and the other values are also identified as "total change of." From here, we are able to rank the changes of values from least to greatest.

$28.69 < $56.84 < $89.12

The friend with the least change is the friend whose change in account balance was $28.69. This is Franklin. This logic is consistent for the other friends.

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Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away

Lena [83]

Answer:

The height of the tree=8.42 m

Step-by-step explanation:

We are given that

Height of Joshua, h=1.45 m

Length of tree's shadow, L=31.65 m

Distance between tree and Joshua=26.2 m

We have to find the height of the tree.

BC=26.2 m

BD=31.65m

CD=BD-BC

CD=31.65-26.2=5.45 m

EC=1.45 m

All right triangles are similar .When two triangles are similar then the ratio of their corresponding sides are equal.

$\triangle ABD\sim \triangle ECD$

$\frac{AB}{EC}=\frac{BD}{CD}$

Substitute the values

$\frac{AB}{1.45}=\frac{31.65}{5.45}$

$AB=\frac{31.65\times 1.45}{5.45}$

$AB=8.42m$

Hence, the height of the tree=8.42 m

6 0

3 years ago

Help me with these please!!

Arlecino [84]

Let's take a look. A baker is using three cups of water for every eight ounces of water.

Let's think of a ratio!

8 * x = 96
x = cups of flour.

Let's solve the equation.

96 divided by 8 equals 12.

The correct answer would be D - 12 cups of flour.

4 0

4 years ago

a candle is in the shape of a cylinder. The candle has a diameter of 6 inches and a height of 5 inches, what is the volume of th

Mnenie [13.5K]

Answer:

141.37167in³

Step-by-step explanation:

≈

141.37167in³

8 0

3 years ago

Read 2 more answers