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Evgen [1.6K]
3 years ago
5

Brainliest + Points! Please explain!

Mathematics
1 answer:
mamaluj [8]3 years ago
5 0

Answer:

RF

Step-by-step explanation:

The side opposite angle E is the hypotenuse, which is  the side not touching angle E.  The only side not touching angle E is RF

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The sum of a number and two times a smaller number is 62. Three times the bigger number exceeds the smaller number by 116.
9966 [12]

Answer:

10 and 42

Step-by-step explanation:

The difficulty with word problems is translating them into math.

Let's do that

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

The sum of a number and two times a smaller number is 62.

let's call the bigger number b, and the smaller number s

b + 2s = 62

Three times the bigger number exceeds the smaller number by 116

3b = s + 116

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

Now manipulate one of the equations to isolate the variable

3b = s + 116

Subtract 116 from both sides

3b - 116 = s

substitute for s = 3b - 116 in

b + 2s = 62

b + 2(3b - 116) = 62

Distribute

b + 6b - 232 = 62

combine like terms

7b = 294

Divide both sides by 7

b = 42

to find s plug in b = 42 into

b + 2s = 62

42 + 2s = 62

subtract 42 from both side

2s = 20

divide both sides by 2

s = 10

7 0
3 years ago
80 points. Please answer!
klemol [59]

Answer:

a cube that is 1 yard long, 1 yard wide, and 1 yard high

Step-by-step explanation:

The dimensions for a unit cube are:

1\times1\times1

<u>Please note that the units for each side MUST be the same (or if they're different, then the lengths have to be equivalent). </u>

<u />

Looking at the answer choices, we can see that the last answer choice is a 1 yd by 1 yd by 1 yd cube, therefore it is a unit cube.

6 0
3 years ago
-4x + 3 (2x - 5) = 31<br><br> Please help &amp; explain how you got to the answer
denis23 [38]
-4x + 3(2x - 5) = 31          (use distributive property to remove parentheses)
-4x + 6x - 15 = 31            (combine like terms)
2x - 15 = 31                    (add 15 to both sides)
     +15    +15
2x = 46                          (divide both sides by 2)
x = 23
3 0
3 years ago
Please help me with this
alexandr402 [8]
The base of the prism is a 6 cm square. Any cross section parallel to the base has the same dimensions as the base, so is a 6 cm square. Its area is ...
  (6 cm)² = 36 cm²
8 0
3 years ago
Find the interval in which the function is negative.
DedPeter [7]

Answer:

  B. II only . . . (-1, 4)

Step-by-step explanation:

The function factors as ...

  f(x) = (x +1)(x -4)

The factors are zero when x=-1 and x=4. The value of the function will be negative when one of these factors is negative, between x=-1 and x=4. In interval notation, that interval is ...

  (-1, 4) . . . interval for f(x) < 0 . . . . . . interval description II (only)

3 0
3 years ago
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