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katrin [286]
2 years ago
5

I WILL MARK FIRST ANSWER BRAINLIEST !!! PLS ANSWER QUICKLY !!!

Mathematics
2 answers:
Zarrin [17]2 years ago
7 0

Answer:

104x + 52

None of the expressions listed are equivalent to 52(2x + 1)

Step-by-step explanation:

52(2x + 1)

Apply the distributive law:  a(b + c) = ab + ac

⇒ 104x + 52

Therefore, 52(2x + 1) = 104x + 52

Anon25 [30]2 years ago
7 0

\rm 52(2x + 1)

  • Use distributive property: a(b+c)=ab+bc

a = 52

b = 2x

c = 1

\rm \: 52 \times 2x + 2x \times 1

Multiply the numbers

\rm \: 104x + 2x

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Is perpendicular to ? Explain.
olga2289 [7]
Two lines are perpendicular if and only if the product of their slopes is - 1.

So, you just need to find the slope of each line and find out the product of their slopes.

I will do one example for you.

L1: y = 3x + 5

L2: y = - 3x + 14

L3: y = -x/3 + 14

The slope of a line is the coefficient of the x.

So the slopes are:

L1: slope 3
L2: slope -3
L3: slope -1/3

So now multiply the slopes of each pair of lines:

L1 and L2: 3 * (-3) = - 9 => No, they are not perpendicular

L2 and L3: (-3) * (-1/3) = 1 => No, they are not perpendicular

L1 and L3: (3) *  (-1/3) = -1 => Yes, they are penpendicular.
6 0
3 years ago
Read 2 more answers
Find an equivalent ratio in simplest terms: 25:75
Sati [7]

Answer:

1:3

Step-by-step explanation:

Both numbers are divisible by 25:

  • 25 ÷ 25 = 1
  • 75 ÷ 25 = 3

∴ The simplified ratio is 1:3

Hope this helps!

5 0
2 years ago
Please help me I'm very confused!
NikAS [45]

Answer:

1)6

2)36

Step-by-step explanation:

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7 0
3 years ago
At a gymnastics meet, three judges evaluate the balance beam performances of five gymnasts, using a scale from 1 to 10, where 10
Art [367]

Answer:

As   2.551 < 3.84 therefore we reject H0.

As 44.803 > 4.46 so we accept null hypothesis.

Step-by-step explanation:

The answer is attached.

There are three judges so v1 = 3-1= 2  and v2 = (4*2)= 8

There are five gymnasts so v1 = 5-1= 4 and v2=  (4*2)= 8

For alpha = 0.05 we find the value of F1 and F2 from the table.

Download docx
6 0
3 years ago
Connor and Angie helped take attendance during their schools practice fire drill if the actual count was between 77 and 89 inclu
wel

Answer:

The most absolute error is 12

Step-by-step explanation:

The formula for absolute error is given by the following relation;

Absolute error, Δx = Value measured, x₀ - Exact (actual) value, x

Δx = x₀ - x

Since the actual count is between 77 and 89, the maximum absolute error will be where the actual value = 77 and the measured value = 89 and vice versa, giving an absolute error of 89 -77 = 12.

The most absolute error = 12.

4 0
3 years ago
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