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Lina20 [59]
3 years ago
12

Write and solve a problem involving money that can be solved with a multiplication equation. tell what the variable represents

Mathematics
1 answer:
olganol [36]3 years ago
4 0
Ben wanted to take some money from his Friends to build his family a home. He said that he would give the money back after 12 months. So he would give 1500$ a month. How much money did he borrow?
1500*12=x

Matilda got also money, she told Ben, I got x $ from my dad and y $ from mom. all they gave me was 5000$. If I gave mom Half of the moneys I got from her than I would have 3000$ left to pay. How much did she borrow from her parents?
x+y=5000
and
x+y/2=3000

so x=5000-y
and
5000-y+y/2=3000

so
x=5000-y
and
y=4000

so x=1000 and y=4000
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What is the answer for this question
dolphi86 [110]
Answer: 35

Explanation: They originally paid 75$ for the uniforms. We know this because 3000/40 = 75. So the difference would be 75-40, which is 35...

So the answer is 35
6 0
4 years ago
No dia 15/05/2020 as 18h e 40min o G1 divulgou que a Paraíba tem 3.739 casos confirmados e 170 mortes por coronavírus. Qual a po
Andru [333]

Answer:

4.55%

Step-by-step explanation:

To find the percentage of deaths in relation to the number of cases confirmed, we just need to divide the number of deaths by the number of cases confirmed.

So we have that:

Percentage = Deaths / Cases

Percentage = 170 / 3739

Percentage = 0.0455 = 4.55%

The percentage of deaths in relation to the number of cases is 4.55%

5 0
3 years ago
Which option please I need help ASAP reply ASAP
IrinaK [193]

Answer:

The answer is probably c

Step-by-step explanation:

its deducted by the x axis

8 0
3 years ago
Read 2 more answers
ILL GIVE BRAINIEST TO WHO EVER IS CORRECT!! PLEASE HELP ASAP!!
Ira Lisetskai [31]

The equation of the line is

x

2

−x

1

x−x

1

=

y

2

−y

1

y−y

1

Here (−3,4)≡(x

1

,y

1

),(4,5)≡(x

2

,y

2

)

∴

4+3

x+3

=

5−4

y−4

⇒

7

x+3

=

1

y−4

⇒x+3=7(y−4)

⇒x+3=7y−28

⇒x−7y+3+28=0

⇒x−7y+31=0

please follow me also

6 0
3 years ago
Read 2 more answers
The length of a rectangle is the sum of the width and one. The area direct angle 72 units. What’s the length, in units, of the r
insens350 [35]

Answer:

The length of the rectangle is of 9 units.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

Area of a rectangle:

A rectangle has width w and length l. The area is the multiplication of these measures, that is:

A = wl

The length of a rectangle is the sum of the width and one.

This means that l = w+1, or w = l - 1

The area direct angle 72 units. What’s the length, in units, of the rectangle

We want to find the length. So

wl = 72

(l-1)l = 72

l^2 - l - 72 = 0

Quadratic equation with a = 1, b = -1, c = -72. So

\bigtriangleup = (-1)^{2} - 4(1)(-72) = 289

l_{1} = \frac{-(-1) + \sqrt{289}}{2*(1)} = 9

l_{2} = \frac{-(-1) - \sqrt{289}}{2*(1)} = -8

Since the length is a positive measure, the length of the rectangle is of 9 units.

8 0
3 years ago
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