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Nostrana [21]
3 years ago
8

Write an algebric pharse for five times a number increased by nine. i need help

Mathematics
1 answer:
trasher [3.6K]3 years ago
6 0

Answer:

Step-by-step explanation:

five times a number increased by nine is

5x+9

x is the unknown number being multiplied by 5

increase= add

so add by 9

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Tell whether the angles are complementary or supplementary. Then find the value of x
skelet666 [1.2K]

Answer:

complementary

x = 55

Step-by-step explanation:

5 0
3 years ago
Use the following graph to solve the equation 3n + 7 = 52
Tanya [424]

Answer:

3n + 7 = 52 \\ 3n = 52 - 7 \\ 3n = 45 \\ n =  \frac{45}{3}  \\ n = 15

Graph is not inserted.

8 0
2 years ago
Read 2 more answers
Y=<br> Pls help solve for
miss Akunina [59]

Answer:

y=39\degree

Step-by-step explanation:

The given triangle is a right angle triangle .

The known sides of the triangle that is opposite to angle y is 8 units while the side adjacent is 10 units.

The value of y can be calculated using the tangent ratio.


\tan(y)=\frac{8}{10}

We solve for y to get,

y=arctan(\frac{4}{5})

We evaluate to obtain,

y=38.66


y=39\degree to the nearest degree


8 0
3 years ago
Please help me with questions 23, 24, and 25
alekssr [168]
Problem 23
A = 40
B = 3x+1
C = 3x+1
B and C are congruent, so they have the same angle measure

The three angles of any triangle add to 180 degrees
A+B+C = 180
40+(3x+1)+(3x+1) = 180
6x+42 = 180
6x = 180-42
6x = 138
x = 138/6
x = 23

Answer: B) 23

============================================================

Problem 24

AB is the midsegment parallel to XY
So AB is half that of XY
AB = (1/2)*XY
AB = (1/2)*28
AB = 14

Answer: B) 14

============================================================

Problem 25

Note the ratio of the given rectangle's sides: 7/12 = 0.583 roughly

Divide the answer choices in a similar fashion
A) 5/7 = 0.714
B) 14/36 = 0.389
C) 21/36 = 0.583
D) 21/48 = 0.4375

We get the same result in choice C as we did in the original rectangle

Answer: C) 21 ft x 36 ft

6 0
3 years ago
PLEASE HELP check if the first 2 are correct and help me with the other 2
Leviafan [203]
The first two are correct because you have to understand and the questions are right good job w8th it
7 0
3 years ago
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