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grandymaker [24]
3 years ago
9

What is the solution of the system of equations? 2x + 5y = 20 y=-2/5x-1

Mathematics
1 answer:
Doss [256]3 years ago
6 0

Answer: the answer is A

Step-by-step explanation

I Took The Quiz

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Clara Schumann is buying bagels for her coworkers, She buys a dozen bagels priced at $5.49 a dozen. The bakery's cost for making
Tcecarenko [31]

Answer:

The markup rate is 144% .

Step-by-step explanation:

Formula

Mark\ up\ percentage = \frac{(Selling\ price-Cost\ price)\times 100}{Cost\ price}

As given

Clara Schumann is buying bagels for her coworkers, She buys a dozen bagels priced at $5.49 a dozen.

i.e

Selling price of a dozen bagels is $5.49 .

The bakery's cost for making the bagels is $2.25 per dozen.

i.e

Cost price of a dozen bagels is $2.25 .

Putting all the values in the formula

Mark\ up\ percentage = \frac{(5.49-2.25)\times 100}{2.25}

Mark\ up\ percentage = \frac{3.24\times 100}{2.25}

Mark\ up\ percentage = \frac{32400\times 100}{225\times 100}

Mark\ up\ percentage = \frac{32400}{225}

Markup percentage = 144 %

Therefore the markup percentage is 144% .


4 0
3 years ago
Read 2 more answers
(Pictures included, pls help)
wel

Answer:

Option B

Step-by-step explanation:

When two intersecting lines cut each other they form four angles. these two pair of angles are called opposite angles or vertical angles. The vertical angles formed by two intersecting segments are equal.

Thus option B is correct: The vertical Angles Formed By Two Intersecting Segments Are Congruent !

8 0
4 years ago
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What is the range of the absolute value parent function?
Damm [24]

Non negative real numbers (y20)

Answer: Option B.

<u>Explanation:</u>

A non negative real number is a real number that that is either positive or zero. It's the association of the normal numbers and the number zero. In some cases it is alluded to as Z*, and it tends to be characterized as the as the set {0,1,2,3,… ,}. Z, the arrangement of whole numbers, is characterized as {… ,- 3,- 2,- 1,0,1,2,3,… }.

Since zero is commonly viewed as unsigned (neither positive nor negative) at that point, truly, it ought to be remembered for a lot of non-negative genuine numbers since it 'fits' the name. On the off chance that you needed to avoid zero, you could request the positive genuine numbers or the negative genuine numbers.

5 0
3 years ago
MATH HOMEWORK HELP!! &gt;&gt; Solving systems by GRAPHING:
grin007 [14]
I dont know the coordinates because i dont feel like putting them in right now buttttt........

main street bus equation is y=2x+40

County bus line equation is y=3x+20

thats all i've got.
7 0
3 years ago
In ΔXYZ, XY = 6.32, YZ = 5.83, and XZ = 11.05. m∠Y = º.
Dominik [7]

Answer: 130.8 degrees

Explanation:

The problem can be solved by using the cosine theorem:

a^2 = b^2 + c^2 - 2bc cos \alpha (1)

where

a,b,c are the lengths of the three sides of the triangle

\alpha is the angle between b and c

In this problem, we can identify a,b,c, with:

a = XZ = 11.05

b = XY = 6.32

c = YZ = 5.83

So, the angle \alpha corresponds to the angle m∠Y. Re-arranging eq.(1), we find

cos \alpha = \frac{b^2+c^2-a^2}{bc}=\frac{(6.32)^2+(5.83)^2-(11.05)^2}{2(5.83)(6.32)}=-0.654

So, the angle is

\alpha=cos^{-1}(-0.654)=130.8^{\circ}

3 0
3 years ago
Read 2 more answers
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