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3 years ago

URGENT HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

kari74 [83]3 years ago

6 0

Answer: a=−2.3

a+0.3=-2 : a=-2.3

a+0.3=-2 = a=-2.3

Subtract 0.3 from both sides

a+0.3-0.3=-2-0.3

Simplify

a=-2.3

True [87]3 years ago

3 0

a+0.3=−2
a = - 2 - 0.3
a = - 2.3

answer is a. a=−2.3 first choice

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At a particular restaurant each mozzarella stick has 90 cal in each pizza roll has 80 cal. A combination meal with the mozzarell

serious [3.7K]

Answer:

The meal consist 11 mozzarella sticks and 6 pizza rolls.

Step-by-step explanation:

We are given the following in the question:

Calories in mozzarella stick = 90

Calories in pizza roll = 80

Let x be the number of a mozzarella stick and y be the number of pizza rolls.

Total calories in meal = 1470

Thus, we can write the equation:

$90x + 80y = 1470$

There are five more mozzarella sticks than pizza roll.

Thus, we can write the equation:

$x = y + 5\\x-y = 5$

Solving the two equations, we get,

$90x+80y+80x-80y = 1470 + 400\\170x = 1870\\x = 11\\y = 11-5 = 6$

Thus, the meal consist 11 mozzarella sticks and 6 pizza rolls.

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3 years ago

Y 10 3 1 6. 1 19 3 linear or non linear

Julli [10]

Answer:

Non-linear.

Step-by-step explanation:

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3 years ago

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Karo-lina-s [1.5K]

Why’s it in all caps and what’s the question this doesn’t look like a math equation

3 0

3 years ago

HELP PLZ!!!!!!!!!!!!!!!!!!!!!

Anna35 [415]

Answer:

Step-by-step explanation:

9 + 13 = 22

22 + 43 = 65

65 + 55 = 120

120 ÷ 4 = 30

hope this helps

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3 years ago

If you were to use the “Completing the Square” method to solve the equation below for k, what number would you add to both sides

Makovka662 [10]

Answer:

The number you would add to both sides of the equation to use the "Completing the Square" method would be 16.

Step-by-step explanation:

To find the number to add to both sides of an equation to complete the square, divide the first-degree term's coefficient by 2 and square your remainder. In this case, the coefficient of the first-degree term is -8. After dividing by 2 and squaring it, you'll get 16, so that is the number you must add to both sides of the equation in order to complete the square.

5 0

3 years ago

Read 2 more answers