MATHEMATICS HIGH SCHOOL

Sara has some fish, 2 birds, and 5 hamsters. She has 6 fewer hamsters than fish.How many fish does she have?

Answers

Answer 1

Answer:

Answer: There are 11 fish she have.

Step-by-step explanation:

Since we have given that

Number of birds = 2

Number of hamsters = 5

Let the number of fish be 'x'.

According to question, she has 6 fewer hamsters than fish.

So, our equation becomes

$f-h=6\n\nf-5=6\n\nf=6+5\n\nf=11$

Hence, there are 11 fish she have.

Answer 2

Answer: There are 5 hamsters. If she has 6 fewer hamsters than fish, that means x-6=5
which means 5+6=11 so there are 11 fish.
The answer is 11

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Which properties can be used to solve 7y − 15 = −29? Select all that apply. A. Identity Property of Multiplication B. Addition Property of Equality
C. Distributive Property
D. Inverse Property of Multiplication
E. Commutative Property of Addition

Answers

The properties that can be used to solve 7y - 15 = -29 are

Addition property of equality and inverseproperty of multiplication.

Given equation is 7y - 15 = -29.

We will solve for y and see which of the given following properties are applied.

What is addition property of equality and the inverse property of multiplication?

Addition property of equality

If two expressions are equal to each other, and you add the same value to both sides of the equation, the equation will remain equal.

Inverse property of multiplication

It states that every non-zero x multiplied with 1/x will equal 1.

Solve for y.

7y - 15 = -29

We will add 17 on both sides of the equation.

7y - 15 + 15 = -29 + 15

7y = -14

Now, multiply 1/7 into both sides of the equation.

7y / 7 = -14 / 7

y = -2

While solving for y we see that we have to use the addition property of equality and inverse property of multiplication.

Learn more about properties for solving equations here: brainly.com/question/13282104

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Answer:

A and E

Step-by-step explanation:

Other 2 wouldn't make sense

Only definite of A

Addition Property of Equality ----If two expressions are equal to each other, and you add the same value to both sides of the equation, the equation will remain equal.

Commutative property of addition- changing the order of the numbers we are adding, does not change the sum. Here's an example of how the sum does NOT change, even if the order is changed

What two numbers multiply to __ and add up to __?1. Multiply -15 add -2
2. Multiply -32 add -4
3.multiply -14 add -5
4. Multiply -24 add 5

Answers

Arrange the factors of the product so that when added you get the sum:
1. The factors of 15 are 3 and 5 or 1 and 15. You are looking for the pair that is two apart, which are 3 and 5. Because they add up to be negative 2, 5 must be negative, so the two numbers you get are 3 and -5. The rest can be solved similarly:
2. (Out of 1 and 32, 2 and 16, and 4 and 8, only 4 and 8 works) -8+4=-4, -8*4=-32
3. (Out of 1 and 14, and 2 and 7, only 2 and 7 works) -7+2=-5, -7*2=-14
4. (Out of 1 and 24, 2 and 12, 3 and 8, and 4 and 6, only 3 and 8 works) -3+8=5, -3*8=-24.

Answer:

-3 + 8 = 5, -3 · 8 = -24

Hope this helps!!!

Step-by-step explanation:

Which represents the solution set of 5(x+5)<85

Answers

For this case we must find the solution of the following inequality:

5(x+5)<85

We apply distributive property on the left side of inequality:

5x+25<85

We subtract 25 from both sides of the inequality:

5x<85-25

5x<60

We divide between 5 on both sides of the inequality:

x<60/5

x<12

Thus, the solution is given by all values of x less than 12.

x<12

What is the equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign. For example, 3x – 5 = 16 is an equation. Solving this equation, we get the value of the variable x as x = 7.

What is the equation form?

The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y). This form is also very useful when solving systems of two linear equations.

To learn more about the equation, refer

brainly.com/question/16450098

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x<12
5(x+5)<85
5(x + 5)/5 < 85/5
x + 5 < 17
x + 5 - 5 < 17 - 5

1. A cylinder has a diameter of 14ft and height of 10ft what is the volume of the cylinder.Choices are below.

A.140 ft
B.490 ft
C.350 ft
D.1400 ft