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Serggg [28]
3 years ago
8

Need help please:-2 -5/4 x = 13what does X mean?​

Mathematics
1 answer:
Gnom [1K]3 years ago
5 0

Answer:x=-12

Step-by-step explanation:

−2−

5

4

x=13

−2+

−5

4

x=13

−5

4

x−2=13

Step 2: Add 2 to both sides.

−5

4

x−2+2=13+2

−5

4

x=15

Step 3: Multiply both sides by 4/(-5).

(

4

−5

)*(

−5

4

x)=(

4

−5

)*(15)

x=−12

Answer:

x=−12

But X is the variable your solving for

 

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I really need help asap!!
Firdavs [7]

Given:

A figure of a parallelogram.

The vertex angles are (12b+8)^\circ,(5b+2)^\circ,2a^\circ.

To find:

The values of a and b.

Solution:

We know that the pairs of consecutive angles of a parallelogram are supplementary angles. It mean their sum is 180 degrees.

(12b+8)^\circ+(5b+2)^\circ=180^\circ       (Supplementary angles)

(17b+10)^\circ=180^\circ

17b+10=180

Subtract 10 from both sides.

17b=180-10

17b=170

Divide both sides by 17.

b=\dfrac{170}{17}

b=10

Now,

(5b+2)^\circ=(5(10)+2)^\circ

(5b+2)^\circ=(50+2)^\circ

(5b+2)^\circ=52^\circ

And,

(5b+2)^\circ+2a^\circ=180^\circ       (Supplementary angles)

52^\circ+2a^\circ=180^\circ

2a^\circ=180^\circ-52^\circ

2a^\circ=128^\circ

Divide both sides by 2.

a^\circ=\dfrac{128^\circ}{2}

a^\circ=64^\circ

a=64

Therefore, the value of a is 64 and the value of b is 10.

5 0
3 years ago
If y=5x - 3 find the value of y when X = 0
madreJ [45]
Since we know y=5x - 3 and we know that x=0 then its a matter of plugging in what we know and simplifying. y=5 x 0 - 3 we need to remember the order of operations for this problem. PEMDAS parenthesis exponent multiply divide add subtrac. Since 5 time 0 is multiplication and multiplication comes before subtracting in the oder of operations we will solve that first. 5 times 0 equals 0 since anything times 0 is 0. All that's left is to subtract 3 which gives us y=-3 <span />
8 0
3 years ago
In its prime, Mr. Ford’s 2002 Focus would get 36
stepan [7]

Answer:

The fuel economy is 36 miles per gallon. For each mile 1/36 gallon will be used.

Initial volume is 13,2 gallons and x is the number of miles.

<u>Our equation is:</u>

  • y = 13.2 - 1/36x

or

  • y = -1/36x + 13.2
4 0
2 years ago
Read 2 more answers
What is the sum of all integers between 123 and 2021 which end in 7? Please walk me through it w/ work.
Savatey [412]

Answer:

it will be 35720 . I hope my answer is correct

6 0
2 years ago
Is -5/12 and irrational or rational
oksian1 [2.3K]

Answer:

Rational.

Step-by-step explanation:

Since it can be put into a fraction, negative or positive it is clearly rational. Irrational numbers are numbers we can never know the true value because they repeat forever (pi for example)

5 0
2 years ago
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