MATHEMATICS MIDDLE SCHOOL

Mason opens a savings account by making a $165.85 deposit. Every week, he deposits another $20.50 in the account. The following expression shows the amount of money that will be in the account x weeks after Mason opens it.165.85 + 20.5x

How much money will be in the account after 10 weeks?

Answers

Answer 1

Answer:

Answer:

$370.85

Step-by-step explanation:

The following expression shows the amount of money in the account after x weeks.

$165.85+20.5\cdot{x}$

If $20.50 was added to the account for 10 weeks we can substitue 10 as the x:

$165.85+20.5\cdot{10}=165.85+205=370.85$

$370.85 will be in the account after 10 weeks

Answer 2

Answer: first add your total then times that by 10

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Of the 30 girls who tried out for the lacrosse team at Euclid Middle School, 12 were selected. Of the 40 boys who tried outo, 16 were selected. Are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls? How do you know?
Find the values of x and y that make these triangles congruent by the HL Theorem.

A glass marble has a diameter of 16 millimeters. What is the approximate volume of the marble? Use 3.14 for.A.
17,148.59 cubic millimeters
B.
267.95 cubic millimeters
C.
2,143.57 cubic millimeters
D.
1,071.79 cubic millimeters

Answers

Answer:

Step-by-step explanation:

Use the equation V=4/3(3.14)r^3.

You gave me the diameter of 16 millimeters so just divide it by 2 to get a radius of 8 then input it for the r.

V=4/3(3.14)8^3

Then just multiply it to get the answer of 2144.66058 and C. is the closest to this answer and that is why it is correct.

C i hope this helps you

I have 3 questions needed! Help please! You can get 25 points! Please please please help me! Thanks!1) Chole spent 15% of her allowance this month on bread. If she spent $45 on the bread, what was the total allowance?

2) A table cost $350. There is also a sales tax of 7%. How much does the table costs including the sales tax?

3) Joey bought a vintage t-shirt for $20. Then she turned around and sold it on eBay for $26. What was the percent increase in the price of the shirt?

Answers

1. so we are looking for how much her allowance is. Well we know that to get a percentage we just have to do the part over the whole and multiply by 100

so our equation looks like this
(45/x) *100 = 15%

we can change it to
45/x = .15
we need to solve for x. so let get
45 = .15x
45/.15 = x

x = 300

2. You do this by first finding out how much tax there is so
350 * .07 = 24.5
now add that to 35
350 + 24.5 = 374.5

3. So we got figure out how much she marked it up it just like the tax problem but in reverse
26 - 20 = 6
20 * x = 6
where x is the percent we are looking for

x = 6/20
x = .3
so she marked up 30%

What is the solution to the proportion? 8/4=11/M Answers: A. M=3 B. M=5.5 C. M=7 D. M=22

Answers

find their lcm which is 4m then multiply
8m=44
m=44/8 or 5.5

How can you use base ten blocks to find 2.16 divided by 3

Answers

For this question, let's move the decimal number 2 spaces to the right. 2.16-->216You need 21 ten rods and 6 cubes. Why: I wouldn't do 2 hundred flats because 2 isn't divisible by 3.Put the ten rods into 3 equal group, then do the same with the cubes.You should end up with 7 in each group since 21 divided by 3 is 7.You should also end up with 2 cubes in each group.So in one group you have 72. Now move the decimal back to where it came from, 2 spaces to the left. Now you have 0.72.

Final answer:

Using base ten blocks to divide 2.16 by 3 involves representing 2.16 with the blocks, then dividing them into three equal groups. The result is 0.72.

Explanation:

To use base ten blocks to find 2.16 divided by 3, we first represent the number 2.16 using base ten blocks. This can include two 1-blocks, one 1/10-block (which represents 0.1), and six 1/100-blocks (which represent 0.1 each). Then we divide these blocks evenly among three groups, as we're dividing by 3.

Each group would end up with 0.72, as we would distribute the 1-blocks, the 1/10-block, and the 1/100-blocks evenly among the 3 groups. Therefore, 2.16 divided by 3 is 0.72 when using base ten blocks.

Learn more about Division using base ten blocks here:

brainly.com/question/34273099

#SPJ3

Help me please this is not easy for me 504

Answers

Let, S = Shirt, J = Jeans

14a)
This question asks for the discount to be added after everything else.
S= 12 J=19
3S + 2J -3 = Cost with discount applied to total
^ This expression adds to costs, then takes away the $3 discount as the end.

14b)
This questions says the discount is added on every shirt, we get a similar expression:
3(S-3) + 2(J-3) = Cost with discount applied on every shirt and jeans

14c)
The difference between a) and b) is that:
> the discount in a) is applied on the total, meaning a lower discount
> the discount for b) is applied on each shirt and jeans, meaning a greater discount

14d)
If I were the shop owner I would be more specific of what the discount included, for example we don't know whether to discount each product (shirts and jeans) or only discount the total.

Write a division equation to represent the repeated subtraction