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3 years ago

For his son's birthday party, Mr. Mori bought four equally-priced pizzas and a $3 bag of potato chips. If he spent $39, find the

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

7 0

Answer:

Each pizza cost 9 dollars

Step-by-step explanation:

39-3=36

36 is the total cost of the pizzas

36÷4=9 so the answer would be 9

trasher [3.6K]3 years ago

4 0

Answer:

the pizza cost $49 dollars

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Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth

navik [9.2K]

The answer is the option d, which is: d) $\frac{-77+21i}{130}$

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

$\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}$

2. Multiply the denominator and the numerator by the conjugated $(3+11i)$ and simplify the expression, as following:

$\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9} \\ \frac{-77+21i}{130}$

3. As you can see, you obtain the expression shown in the option mentioned above.

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4 years ago

You and your family attend your brother’s championship baseball game. Between innings you decide to go to the snack stand. You g

noname [10]

Answer:

i believe it would be 15=3.75+2.50 <3

8 0

3 years ago

Read 2 more answers

Use the distance formula to determine the distance between (-8,10) and (-6,7)

hjlf

Answer:

Distance: $\sqrt{13}$ units

Step-by-step explanation:

The distance formula is $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ where:

$d$ is the distance between points $(x_1,y_1)$ and $(x_2,y_2)$
$(x_1,y_1)$ are the coordinates of the first point
$(x_2,y_2)$ are the coordinates of the second point

We are given that:

$(x_1,y_1)=(-8,10)$
$(x_2,y_2)=(-6,7)$

To determine the value of our distance, $d$ , we plug in our given information into the formula and solve for

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$d=\sqrt{(-6-(-8))^2+(7-10)^2}$

$d=\sqrt{(-6+8)^2+(-3)^2}$

$d=\sqrt{(2)^2+(-3)^2}$

$d=\sqrt{4+9}$

$d=\sqrt{13}$

Therefore, the distance between $(-8,10)$ and $(-6,7)$ is $\sqrt{13}$ units.

See the attached graph for a visual.

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3 years ago

You buy a game for $40 , and the sales tax is $2 2 . What percent of the game price are you paying in sales tax?

Len [333]

.05 percent taxes if you spend 40 and 2 dollar worth of taxes

8 0

3 years ago

Mya is doing a 45-minute cardio workout. She has completed 4 5 of the workout. In how many minutes will her workout be done?

Alika [10]

Answer:

9 minutes

Step-by-step explanation:

45/5 equals 9

6 0

4 years ago