Can someone please help with 11-14? I will give thanks and brainliest

Answers

Answer 1

Answer:

I won’t be doing all 4 of them (so that you can learn how to do it yourself successfully, without

me just giving you all the answers) but I did 11 which hopefully helps you understand?

Sorry if my handwriting’s a bit on the messy side :))

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Name the property used to make the conclusion1. if 4x=40, then x=10
2. if x=7 and y=x+5, then y=12
3. if 4x=28, then 28=4x
4. if x-24=25, then x=49

Answers

Property of Multiplication

there are 52 weeks in 1 year. In the space at the right, make a table and write a function rule relating the number of weeks to the number of years for 1,2,3, and n years. Then find Hana's age in weeks if she is 11 years old.

Answers

Given:
52 weeks in a year
Hana's age: 11 years

Find her age in weeks.

f(x) = 52x ; where x is the number of years.

f(11) = 52(11)
f(11) = 572 weeks

Hana is 572 weeks old.

Answer:

Step-by-step explanation:

A company makes concrete bricks shaped like rectangular prisms. Each brick is 10 inches long, 7 inches wide, and 5 inches tall. If they used 14,000in3 of concrete, how many bricks did they make?

Answers

Answer: There are 40 bricks they make.

Step-by-step explanation:

Since we have given that

Length of each brick = 10 inches

Width of each brick = 7 inches

Height of each brick = 5 inches

So, Volume of each brick = Length × Breadth × Height

$Volume=10* 7* 5\n\nVolume=350\ in^3$

Since, If they used 14000 in³ of concrete.

So, Number of bricks is given by

$\frac{\text{Volume of concrete}}{\text{Volume of brick}}\n\n\n=(14000)/(350)\n\n\n=40$

Hence, there are 40 bricks they make.

The volume of each block is

(10in x 7 in x 5 in) = 350 inches³ .

With 14,000 in³ of material, they could make

(14,000 in³) / (350 in³/block) = 40 blocks .

What is 40 over 100 as tenths in fraction form and decimal form.?

Answers

$Fraction: (40)/(100)= (40:10)/(100:10) = (4)/(10) \n \n Decimal: (4)/(10)=0.4$

Simplify. –12.8 – (–7.4) + 16.7

A.
11.3

B.
–3.5

C.
36.9

D.
–22.1

Answers

-12.8 - (-7.4) + 16.7 Expand out the brackets
-12.8 + 7.4 + 16.7 Simply add all
= 11.3
A

–12.8 – (–7.4) + 16.7.

-12.8 + 7.4 + 16.7 Minus Minus is Plus.

16.7 + 7.4 - 12.8

24.1 - 12.8

11.3

Option A.

the length of a rectangle is 2 cm more than the width. if the area of the rectangle is 24 cm2 what is the length of the rectangle?

Answers

Answer: The length is 6 and thw wodth is 4

Step-by-step explanation:

If you find two numbers that multiply to 24, you have three sets of numbers, but 6 and 4 are the only numbers that are two centimeters apart

Final answer:

The question is about finding the length of a rectangle. By creating and solving a quadratic equation with provided information, the width and length of the rectangle are 4 cm and 6 cm respectively.

Explanation:

The problem involves finding the length of a rectangle. To solve this, we need to consider the fact that we know information about the dimensions and area of the rectangle. The area of a rectangle is obtained by performing the multiplication of the length and the width. In this specific problem, it's stated that the length is 2 cm more than the width, and we also know that the area of the rectangle is 24 cm2.

Let's represent the width by x. Therefore, the length would be x+2. Since the area is the length multiplied by the width, we create the equation x*(x+2) = 24, which simplifies to x2+2x=24. Subtracting 24 from both sides, we get x2+2x-24 = 0.

This a quadratic equation and we'll solve for x using the quadratic formula, which results in x = 4 or x = -6. Since the width cannot be negative, x = 4 cm. After this, substitute the width (x) into the length equation. The length (x + 2) is 4 cm + 2 cm = 6 cm.

Learn more about Solving Quadratic Equations here:

brainly.com/question/32403169

#SPJ2

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