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My name is Ann [436]
4 years ago
11

(-7)(-5) what’s the answer please help

Mathematics
2 answers:
tiny-mole [99]4 years ago
8 0

First you had to multiply with negatives seven and negative five. You can also multiply by the numbers.

-7*-5=-35

Final answer: \boxed{=-35}

35/5=7

7*5=35

5*7=35

35/7=5

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

Lina20 [59]4 years ago
7 0
Hello!

Let’s do it step-by-step, shall we? Don’t worry! These problems can be a bit tricky but you’ll get it in no time! It’s really simple.

So, we have (-7)(-5)

This means that the problem will be multiplied because of the parentheses. They substitute the multiplication sign.

So, we have -7 (multiplied by) -5= 35

So your answer would be 35. Hope this helps :) and good luck!
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For every one litre of water used to make medicine,199ml of sucrose and 271ml of saline solution are used. Express the amount of
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Answer:

1000 : 199 : 271

Step-by-step explanation:

A rations a form of comparison between different variables or quantities.

We want to compare how much water, sucrose and saline solution are used to make the medicine.

The amount of water used is 1 L = 1000 mL

The amount of sucrose used is 199 mL

The amount of saline solution used is 271 mL

Therefore, the ratio of water to sucrose to saline solution is:

1000 : 199 : 271

This is the simplest form because 1000, 199 and 271 do not have any common factors.

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4 years ago
Tyler ate (x) fruit snacks, and Han ate 3/4 less than that. Write an equation for the number of fruit snacks Han ate - ik this l
Sergio [31]

Answer:

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Step-by-step explanation:

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3 years ago
Read 2 more answers
MATH HELP!! ASAP!! BRAINLIESTT!!
Inessa [10]

Answer: the equation of this parallel line would be: Answer:  y = 5x - 6

Step-by-step explanation:

Slope of the parallel lines are same

So, m= 5

(3,9)

Equation: y - y1 = m(x -x1)

y - 9 = 5(x - 3)

y - 9 = 5x - 3*5

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3 years ago
A shop sells a party hat at x dollars and a mask at y dollars. On a particular morning, 3 hats and 4 masks were sold for $27. In
Aleks [24]

Answer:

Cost of each hat: $5

Cost of each mask: $3

Step-by-step explanation:

Let be "x" the cost in dollars of a party hat and "y" the cost in dollars of a mask.

Set up a System of equations using the information given in the exercise:

\left \{ {{3x+4y=27} \atop {3x+6y=33}} \right.

You can use the Elimination Method to solve this System of equations:

1. You can multiply the first equation by -1.

2. Then you must add the equations.

3. Solve for "y".

Then:

\left \{ {{-3x-4y=-27} \atop {3x+6y=33}} \right.\\.....................\\2y=6\\\\y=\frac{6}{2}\\\\y=3

4. Now you can substitute the value of "y" into any original equation.

5. Finally, solve for "x" in order to find its value.

Then:

 3x+4(3)=27\\\\3x=27-12\\\\x=\frac{15}{3}\\\\x=5

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4 years ago
Nicole needs 1 and a third cups of flour to bake a batch of cookies. How many batches can she make with 10 cups of flour?
kirill115 [55]
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