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3 years ago

The quotient of a number and 2 increased by 9 is -15

Mathematics

2 answers:

Agata [3.3K]3 years ago

8 0

Answer:

x/2+9=-15

Step-by-step explanation:

yaroslaw [1]3 years ago

6 0

Answer:

$n = -48$

Step-by-step explanation:

Step 1: Convert into an expression

$(n / 2) + 9 = -15$

Step 2: Subtract 9 from both sides

$(n / 2) + 9 - 9 = -15 - 9$

$(n / 2) = -24$

Step 3: Multiply both sides by 2

$(n / 2) * 2 = -24 * 2$

$n = -48$

Answer: $n = -48$

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Ava estimates that 475 songs will fit on her iPad. The actual amount of songs that fit is 350. Find her percent of error.

alukav5142 [94]

Given:

Ava estimates that 475 songs will fit on her iPad.

The actual amount of songs that fit is 350.

To find:

The percent of error.

Solution:

We know that,

$\text{Percent error}=\dfrac{\text{Estimated values - Actual value}}{\text{Actual value}}\times 100$

Putting the given values, we get

$\text{Percent error}=\dfrac{475-350}{350}\times 100$

$\text{Percent error}=\dfrac{125}{350}\times 100$

$\text{Percent error}=\dfrac{250}{7}$

$\text{Percent error}\approx 35.71\%$

Therefore, the percent of error is 35.71%.

3 0

3 years ago

3) 8p + 7q = 43 2 -7=-q how can I solve this with substitution?

Bess [88]

Answer:

p=1, q=5. (1, 5).

Step-by-step explanation:

8p+7q=43

2-7=-q

------------------

-q=-5

q=5

--------

8p+7(5)=43

8p+35=43

8p=43-35

8p=8

p=8/8=1

6 0

3 years ago

A die is rolled find the probability of rolling a multipul of 5

Pavlova-9 [17]

Answer:

1/6

Step-by-step explanation:

It's 1/6 because the only multiple of 5 in a die is 5, so it will be 1/6.

3 0

3 years ago

-x+4(x+3)=-12 is this never true or always true

rodikova [14]

Answer: Never true.

Step-by-step explanation: Distribute the numbers: 4 times x is 4x, 4 times 3 is 12. Then you have the equation: -x+4x +12 = -12. Now, choose a random number, maybe -4. A negative plus a negative cancels out so you are left with 4-16(Because you distribute the number) +12 = -12. 4-16 is -12. -12 plus 12 equals 0.

7 0

3 years ago

Jean loves to go bird watching. One day, she saw 7 birds.The next day, she

Ludmilka [50]

Answer:

Jaw saw an average of 6 birds each day

Step-by-step explanation:

Given: One day, Jean saw 7 birds. The next day, she saw 11 birds. The next day, she saw no birds.

To find: average number of birds Jean saw each day

Solution:

Average is a central value of a set of terms.

Average of terms $x_1,x_2,x_3,...,x_n$ is given by $\frac{x_1+x_2+x_3+...+x_n}{n}$