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nadezda [96]
3 years ago
14

Twenty nine is thirteen added to four times a number.What is the number

Mathematics
1 answer:
Ber [7]3 years ago
8 0
29 = 13 + 4x
16 = 4x
x = 4

The number is 4
You might be interested in
Help please word problem...show work please
Alona [7]
A) you must plug in 50 for variable F and solve for C

C=\frac{5}{9}(50-32)
C=\frac{5}{9}(18)
C= 10
50 degrees fahrenheit is equal to 10 degrees celsius 

B) you must solve the equation for F

C= \frac{5}{9}(F-32)
C/\frac{5}{9}=F-32
C/\frac{5}{9}+32=F
F= C/\frac{5}{9}+32

dividing by a fraction is the same as multiplying buy its reciprocal so it can also be written as

F=\frac{9}{5}C +32

now you just plug in 50 for the variable C in the new equation

F= \frac{9}{5}(50) +32
F= 90 + 32
F= 122

50 degrees celsius is equal to 122 degrees fahrenheit

hope this helped!

6 0
3 years ago
Which equation could be represented by 5 divided by 1/2 = 10
kkurt [141]

Answer:

Step-by-step explanation:

Here's what you write:

    5

---------- = 5(2/1) = 5(2) = 10

  (1/2)

7 0
3 years ago
Read 2 more answers
The triangular base of the given prism has an interior angle with a measure of 80° and an interior angle with a measure of 55°.
Tju [1.3M]

Answer:

A. 45°

Step-by-step explanation:

When we are given two measurements of interior angles we add both of those angles together.

Also know that a triangle equals 180 degrees

So when we write out this expression     80+55+x=180

135+x=180\\-135=-135\\x=45

Hope this helps

6 0
1 year ago
) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white keys? Suggestion: use equivale
andriy [413]

Answer:

35

Step-by-step explanation:

Here we see 5 black keys for every 7 white keys.

So the ratio is 5:7

If we need 49 white keys, find the amount we scale the original ratio by:

    49/7 = 7

So we are scaling by a factor of 7.

The number of black keys would be 5 * the scale of 7. = 35

So there should be 35 black keys.

5 0
2 years ago
Read 2 more answers
What is the answer? I need help quick!
OverLord2011 [107]

Answer:

  • Point B

Step-by-step explanation:

-6 is to the left from origin and π/12 is in between 0 and π/6 above the x-axis. So the point (-6, π/12) is in the second quadrant.

<u>Other points represent coordinates of:</u>

  • A=(6, π/12), C=(-6, -π/12), D=(6, -π/12)

This is point B and correct choice is option B.

6 0
2 years ago
Read 2 more answers
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