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3 years ago

BRAINLIEST TO FIRST CORRECT! Please help!

Mathematics

1 answer:

Oliga [24]3 years ago

7 0

Answer:

O= 0,0

S= 0,a

t= a,a

w= a,0

Step-by-step explanation:

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The circle above has a radius of 11 cm. What is the area of the circle

Fittoniya [83]

Answer:

69. 14 $cm^{2}$ or 22π $cm^{2}$

Step-by-step explanation:

Area of a circle = 2πr

and, radius, r = 11 cm

π = 22/7

Therefore the area of a circle with radius 11cm

= 2* π * 11 or 2 * 22/7 * 11

= 22π or = 484/7

= 69. 14 $cm^{2}$

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3 years ago

This is a timed quiz. Pls, help. 50 points. 6th-grade math.

bonufazy [111]

Answer:

They did not survey customers at restaurants across Monster World.

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4 years ago

Read 2 more answers

To French shop for fresh fruit. Elena buys a watermelon for $7.75 and 5 pounds of cherries Tammy buys a pineapple for $4.15 and

lys-0071 [83]

Answer: Elena spent $3.6 +x more than Tammy.

Step-by-step explanation:

Let the cost of each cherry be 'x'.

Cost of watermelon for Elena = $7.75

Cost of 5 pounds of cherries = 5x

So, Equation for Elena would be

$7.75+5x$

Cost of pineapple = $4.15

Number of pounds of cherries = 4

So, Equation for Tammy would be

$\$4.15+4x$

Now, Elena spent more than Tammy by

$(7.75+5x)-(4.15+4x)\\\\=7.75+5x-4.15-4x\\\\=3.6+x$

Hence, Elena spent $3.6 +x more than Tammy.

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4 years ago

If the perpendicular bisector of one side of a triangle goes through the opposite vertex, then is the triangle isosceles?

Ne4ueva [31]

Answer:

True

Step-by-step explanation:

The perpendicular bisector of the opposite side to the vertex bisects the angle at the vertex into two equal parts and also bisects the triangle into two equal parts.

Let A be the angle at the vertex, then assume that the angle is an isosceles triangle with base angles B.

We need to show that A = 180 - 2B for an isoceles triangle

The perpendicular bisector bisects A into two so the new angle in the vertex one half of the bisected triangle is A/2.

Since this half triangle is a right-angled triangle, the third angle in it is 90.

So, A/2 + B + 90 = 180 (Sum of angles in a triangle)

subtracting 90 from both sides, we have

A/2 + B + 90 - 90 = 180 - 90

A/2 + B = 90

subtracting B from both sides, we have

A/2 + B = 90

A/2 = 90 - B

multiplying through by 2, we have

A = 2(90 - B)

A = 180 - 2B

Since A = 180 - 2B, then our triangle is an isosceles triangle.

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3 years ago

If a hummingbirds beak is 20mm long, how long is it in centimeters

melomori [17]

The answer would be 2 hope this helped :)

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3 years ago