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Triss [41]
3 years ago
8

Q5. Solve for x and y using elimination method.10x +3y = 75, 6x - 5y = 11​

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

16x - 2y = 86

Step-by-step explanation:

10x + 3y = 75

+ 6x - 5y = 11

=

16x -2y =86

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Solve 3(bx-2ab)=b(x-7a)+3ab for x
yan [13]

3(bx-2ab)=b(x-7a)+3ab\\3bx-6ab=bx-7ab+3ab\\3bx-6ab=bx-4ab\\3bx-bx=-4ab+6ab\\2bx=2ab\\bx=ab\\x=a

3 0
4 years ago
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Mark had 45 paper clips. He evenly placed them into 5 different containers. How many paper clips were in each container?
Marat540 [252]

Answer:

9 containers

Step-by-step explanation:

You have to evenly divide 45 paper clips into 5 different containers.

45÷5=9

7 0
2 years ago
Help with these 2 pls!
Artyom0805 [142]

Answer:

2: option four

3: option four

Step-by-step explanation:

they are both option four

6 0
3 years ago
2. Which diagram shows a point P an equal distance from points A, B, and C?H
amm1812

Answer:

The correct option is (a).

Step-by-step explanation:

The vertices are equidistant from the circumcenter.

Circumcenter of a triangle is a point where the perpendicular bisectors are intersection each other.

In figure (a) the point P is the intersection point of all perpendicular bisector, therefore point P is the circumcenter of triangle ABC and the point P is equidistant from A,B and C.

Therefore option (a) is correct.

In figure (b) the point P is the intersection point of all perpendicular, therefore point P is not the circumcenter of triangle ABC.

Therefore option (b) is incorrect.

In figure (c) the point P is the intersection point of all bisectors, therefore point P is not the circumcenter of triangle ABC.

Therefore option (c) is incorrect.

In figure (d) the point P is the intersection point of all medians, therefore point P is not the circumcenter of triangle ABC.

Therefore option (d) is incorrect.

4 0
3 years ago
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Carmine buys a canoe priced at $478. He pays a total, including tax, of $509.07. What was the tax rate?
Reptile [31]

Answer:

6.5%

Step-by-step explanation:

You can find the tax rate by finding the percentage that the initial price increased by.

First, subtract the initial price from the price after taxes.

509.07 - 478 = 31.07

Knowing this we can find the tax rate using an equation like this.

\frac{Difference Between Values}{Initial Value} = \frac{x}{100}

Now we substitute in our values.

\frac{31.07}{478} = \frac{x}{100}

With X being the tax rate, we cross multiply both fractions.

3107  = 478x

From here, we solve for x by dividing 3107 by 478.

x = 6.5

Therefore the tax rate is 6.5 percent.

(Note that when you are trying to find the tax rate that you divide by the initial price before taxes to get the correct value.)

5 0
3 years ago
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