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4 years ago

What is the parallel equation to y=-7/2x+2

Mathematics

1 answer:

vazorg [7]4 years ago

8 0

Y= -2/-7+2

When a question is parallel you just flip the numbers and make the top one negative

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Megan, Sally and Tom share £180 in the ratio 1:3:2 how much more does Sally recieve than Megan?

allochka39001 [22]

Answer: Sally recieves £60 more than Megan

Step-by-step explanation:

Add the ratio together 1+3+2=6

£180 divided by 6 = 30

Megan gets 30

Sally gets 30x3=90

Tom gets 30x2=60 30:90:69

7 0

3 years ago

In the given figure, the area of △ADE is 16 units. What is the area of △ABC?

Sunny_sXe [5.5K]

Answer:

(i) Triangle ABC and triangle ADE are similar triangles. Hence, their ratios will be same.

Ratio of DE to BC is 4:6 => 2:3

To find area, we need to raise the ratio of length to power 2

(2/3)² = 16/x

4/9 = 16/x

x = (16*9)/4

x = 36cm²

Therefore, area of triangle ABC is 36cm²

(ii) Ratio of DE to BC is 4:8 => 1:2

(1/2)² = 25/x

1/4 = 25/x

x = 25*4

x = 100cm²

Therefore, area of triangle ABC is 100cm²

I'm not sure about the third question, sorry

Step-by-step explanation:

5 0

3 years ago

If the compound ratio of 7:5 and 8:x is 83:60 then find X

baherus [9]

Note: Consider 84 instead of 83 because the value of x is a decimal value of 83 which is not possible.

Given:

Compound ratio of 7:5 and 8:x is 84:60.

To find:

The value of x.

Solution:

Compound ratio of 7:5 and 8:x is 84:60.

$\dfrac{7}{5}\times \dfrac{8}{x}=\dfrac{84}{60}$

$\dfrac{7\tims 8}{5\times x}=\dfrac{84}{60}$

$\dfrac{56}{5x}=\dfrac{84}{60}$

By cross multiplication, we get

$56\times 60=84\times 5x$

$3360=420x$

Divide both sides by 1420.

$\dfrac{3360}{420}=x$

$8=x$

Therefore, the value of x is 8.

5 0

3 years ago

Tony love finding the area, such as pizza slices. His favorite pizza is a pepperoni with mushrooms that he can't stop talking ab

Lorico [155]

Answer:

$\frac{27\pi }{2}$ square inches.

Step-by-step explanation:

The pizza would have a circular shape so that dividing it into 6 slices implies that there are 6 sectors.

The central angle formed by each sliced pizza = $\frac{360}{6}$

= $60^{o}$

Given that the diameter = 18 inches, thus;

radius = $\frac{18}{2}$

= 9.0 inches

Since the sliced pizza now has the shape of a sector, then;

the surface area of each large pizza = (θ/360)* $\pi$ $r^{2}$

= $\frac{60}{360}$ * $\pi$ * $(9)^{2}$

= $\frac{1}{6}$ * $\pi$ *81

= 13.5 $\pi$ square inches

Surface area of each large pizza = $\frac{27\pi }{2}$ square inches

The surface are of one slice of the large pizza is $\frac{27\pi }{2}$ square inches.

8 0

3 years ago

Find the size of angle x

madam [21]

Answer:

X=180-124

X=56

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8 0

3 years ago

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