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kumpel [21]
3 years ago
6

Which ordered pair is a solution of the equation?

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

y=39

Step-by-step explanation:

73-2y=-5

2y=73-(-5)

2y=73+5

2y=78

y=78/2

y=39

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The prism shown has a volume of 798 cm3.
a_sh-v [17]

Answer:

10.5 cm

Step-by-step explanation:

Volume = base area × height

798 = (9.5 × 8) × height

height = 798/76

height = 10.5

4 0
3 years ago
Find the length of the missing side when x=3. Round the answer to the nearest tenth.
Juliette [100K]

Answer/Step-by-step explanation:

The missing length can be found by applying pythagorean theorem. Thus:

Missing length = √((8x)² - (2x)²)

Missing length = √(64x² - 4x²)

✔️Missing length = √(60x²) = 2x√15

Plug in the value of x which is 3

Missing length = 2*3√15

✔️Length = 6√5

5 0
3 years ago
Solve the following equation:<br> a) 3x - 9 = 27/ 1 - 5x<br> b) 10x - 1/x = 3
mars1129 [50]

Answer:

A) x=9/2 B) x=-1/5, 1/2

Step-by-step explanation:

3x-9=27/1-5x

3x-9=27-5x

3x-(-5x)-9=27

3x+5x-9=27

8x-9=27

8x=27+9

8x=36

x=36/8

simplify

x=9/2

Answer: x=9/2

-----------------------------

10x-1/x=3

(10x^2-1)/x=3

10x^2-1=3*x

10x^2-1=3x

10x^2-3x-1=0

factor out the trinomial,

find two numbers that when they multiply,

you get the third term, which is -1 in this case.

When you add those 2 numbers, you get the second term,

which is -3 in this case.

(5x+1)(2x-1)=0

apply the zero property from here,

set 5x+1=0 and 2x-1=0 and solve for x.

5x=0-1=-1, x=-1/5,

2x=0+1=1, 2x=1, x=1/2.

So x=-1/5, 1/2.

5 0
2 years ago
What are the domain and range of the function
Marina86 [1]

Answer:

Domain is all the possible X values on a graph

Range are all the possible Y values on a graph

Step-by-step explanation:

Example- If given a graph where on the X line goes from 0-10 and Y goes from 0-30 the domain would be all real numbers 0-10 and range would be all real numbers 0-21

5 0
2 years ago
Do the products 40 x 500 and 40 x 600 have the same number of zeros? Explain.
dangina [55]
No they do not. 40x500 has 4 zeros while 40x600 has 3 zeros

Explanation: 40x500=20000
40x600= 24000
7 0
3 years ago
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