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Slav-nsk [51]
2 years ago
7

Help me solve this problem please

Mathematics
2 answers:
svetoff [14.1K]2 years ago
4 0

Answer:

-2

Step-by-step explanation:

I dont have an explanation, sorry

nekit [7.7K]2 years ago
3 0

Answer:

-2

Step-by-step explanation:

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If f(x) = 5x + 40, what is f(x) when x = -5?
Natasha2012 [34]

f(x)=5 (-5)+40

f(x)= -25+40

f(x)= 15

4 0
3 years ago
What conjecture can you make about the sum of the first 19 odd numbers?
liberstina [14]

Answer: 1, 3, 5, 7, 9, . . . . , 37. Therefore, 361 is the sum of first 19 odd numbers.

Step-by-step explanation:

8 0
3 years ago
A triangle has a perimeter of 126 centimeters. The 2 longer sides are 3 times as long as the shortest side. Find the length of e
Vladimir [108]

The shorter side of the triangle is 18 cm and each of the longer sides are 54 cm

<u>Solution:</u>

Given that triangle has perimeter of 126 cm

Let the length of the shorter side of the triangle be "a"

The 2 longer sides are 3 times as long as the shortest side

So length of 2 longer sides = 3(length of the shorter side)

length of 2 longer sides = 3a

<em><u>The perimeter of triangle is given as:</u></em>

perimeter of triangle = length of the shorter side + length of 2 longer sides

perimeter of triangle = a + 3a + 3a

126 = a + 3a + 3a

7a = 126

a = 18

So length of shorter side = 18 cm

length of 2 longer sides are each = 3a = 3(18) = 54 cm

Thus, the shorter side of the triangle is 18 cm and each of the longer sides is 54 cm

4 0
2 years ago
Are these answers correct if not
iren2701 [21]

1. <u>Correct</u>

2. <u>Incorrect</u>, answer is x ≤ -4.25   This is because the line goes to the left so it is less than or equal to.

3. <u>Incorrect</u>, the answer is the choice at the top, because it is greater than, it goes to the right and has a empty circle.

4. <u>Incorrect</u>, the answer is the choice at the bottom cuz it is greater than or equal to so the line goes to the right and the circle is filled in.

Hope that helps u!!

8 0
3 years ago
Find the product of 2/3x4/7x14/5
Luden [163]
To multiply fractions, the numerator of the product is the product of the numerators, likewise for the denominators. (2/3) x (4/7) x (14/5) = (2 x 4 x14) / (3 x 7 x 5) = (112) / (105) = 1 and 1/15 .
5 0
3 years ago
Read 2 more answers
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