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stiks02 [169]
2 years ago
10

Zachary places daisies and magnolias in a vase. If daisies cost x dollars, magnolias cost y dollars and a vase costs v dollars,

mark all equations which represent the cost of 20 vases of 40 daisies and 80 magnolias.
Mathematics
1 answer:
neonofarm [45]2 years ago
6 0

Answer:

Total = 20v + 40x + 80y

Total = 20(v + 2x + 4y)

Step-by-step explanation:

The options were not given,en but the question can still be solved.

Given

Daises = \$ x

Magnolias = \$ y

Vase = \$ v

Required

Determine the cost of 20 vases, 40 daises and 80 magnolias

If 1 vase costs $v, then

20\ vases = 20 * v

20\ vases = 20v

If 1 daises costs $x, then

40\ daises = 40 * x

40\ daises = 40x

If 1 magnolias costs $y, then

80\ magnolias = 80 * y

80\ magnolias = 80y

Total = 20v + 40x + 80y

Another expression that represents the total is to factorize the expression.

Total = 20(v + 2x + 4y)

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The diagram shows a sector of a circle radius 10 cm. the angle is 135 degrees
Black_prince [1.1K]

Answer:

The perimeter is 43.6 cm

Step-by-step explanation:

In this question, we are tasked with calculating the perimeter of the sector.

Firstly, we define what a sector is. A sector is part of a circle which is is blinded by two radii and an arc. Hence we say a sector contains two radii.

Thus, to calculate the perimeter of the sector, we need the length of the arc added to 2 * length of the radius

Let’s calculate the length of the arc.

Mathematically, this is theta/360 * 2 * pi * r

where theta is the angle subtended at the middle of the circle which is 135 according to the question, and our radius is 10cm

Thus, we have

135/360 * 2 * 22/7 * 10 = 23.57 cm

Adding two radii to this, we have;

23.57 + 2(10)

= 23.57 + 20 = 43.57 = 43.6 cm to 1 decimal place

5 0
3 years ago
I think the answer is A. 95, but I am not sure.
Darya [45]
It is 95/A ur not wrong
8 0
2 years ago
Convert 8 miles into feet and then into inches.
Orlov [11]

Answer:

5,280 * 8 = 42,240

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Step-by-step explanation:

5 0
2 years ago
Simplify the expression.
oksano4ka [1.4K]

Answer:

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Step-by-step explanation:

Solve by distributing the -4 (multiplying -4 by the numbers in parentheses)

5 0
3 years ago
Read 2 more answers
You wish to test the claim that p > 33 at a level of significance of a = 0.05 and are given sample 19) statistics n = 5O x =
densk [106]

Answer:

test statistic is 0.176

Step-by-step explanation:

Given Data

p>33

a=0.05

n=50

x=33.3

d(population deviation)=12

Test statistics=?

Solution

Test statistic z=(p-x)\(d/sqrt(50))

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z=0.176

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3 years ago
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