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Bas_tet [7]
3 years ago
9

Does it take fewer steps to determine the solution to the system of equations using elimination substitution? What is the soluti

on?

Mathematics
1 answer:
nignag [31]3 years ago
8 0

Answer:

Step-by-step explanation:

Note that one equation has -2y and the other has +2y. The fastest solution is to add the equations together. The two  terms will cancel out, eliminating the y terms.

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PLZ HELP ANSWER BY TODAY
Ivahew [28]

X = 29

Explanation:

Rigt angle means 90°

Here 2x + 32 = 90

so, 2x = 90 - 32

2x = 58

x = 58÷2

x = 29

7 0
3 years ago
In a bag of sweets, 6 are orange and 9 are lime. Jodi chooses a sweet at random, eats it an
Digiron [165]

Answer:\frac{17}{35}

Step-by-step explanation:

Given

The bag contains 6 orange and 9 lime sweets

For both sweets of the same flavor, Jodi must either choose orange or lime

No. of ways it can be done is ^6C_1\times^5C_1+^9C_1\times^8C_1

The total no of ways of selecting two sweets out of 15 is ^{15}C_1\times^{14}C_1

The probability that both sweets are the same flavor

P=\dfrac{^6C_1\times^5C_1+^9C_1\times^8C_1}{^{15}C_1\times^{14}C_1}=\frac{102}{210}=\frac{51}{105}=\frac{17}{35}

3 0
3 years ago
Dorothy is using fabric to cover a photo album the width of the fabric is 5/8 of a yard the area of the fabric is 5/16 square ya
saul85 [17]

For this case we assume that the photo album is rectangular in shape and therefore the fabric too. By definition, the area of a rectangle is given by:

A = a * b

Where:

a: It is the length of the rectangle

b: It is the width of the rectangle

According to the problem data we have to:

b =\frac {5}{8} \yard\\A = \frac {5} {16} \ yards ^ 2

Substituting:

\frac {5} {16} = a * \frac {5} {8}

We clear "a":

a = \frac {\frac {5} {16}} {\frac {5} {8}}\\a = \frac {5 * 8} {16 * 5}\\a = \frac {8} {16}\\a = \frac {1} {2}

Thus, the length of the fabric is \frac {1} {2} yards.

ANswer:

The length of the fabric is\frac {1} {2} yards.

5 0
4 years ago
Hamad wants to buy a video game with a selling price of $55, on sale for 40% off. The sales tax in his state is 3.5%. How much w
Readme [11.4K]

Answer:

34.16

Step-by-step explanation:

55x.40=22 discount

55-22=33 sales price

33x.035=1.16 sales tax

33+1.16=34.16 total price

4 0
3 years ago
Read 2 more answers
A part of the graph representing an electrical signal is shown. The voltage first rises steadily from an initial value (A) till
mina [271]
3y-2x=-5 is the equation
7 0
3 years ago
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