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trasher [3.6K]
2 years ago
13

Need help and to know how to do this one

Mathematics
1 answer:
kogti [31]2 years ago
5 0

Answer:

the answer is likely a bulldozer

Step-by-step explanation:

you must set up an equivelance of the given angles and solve for x

for the first one you have 5x+4x=180

9x=180

x=20

and for b 3x-1=77

3x=78

x=26

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A store can buy a monitor for $150.
Dominik [7]

Answer:

$375

Step-by-step explanation:

Step 1: Set up expression

150(1 + 150%)

Step 2: Convert %

150(1 + 1.5)

Step 3: Solve

150(2.5)

375

7 0
2 years ago
a point on a perpendicular bisector is 7cm from each endpoint of the bisected segment and 5cm from the point of intersection. Wh
love history [14]

9514 1404 393

Answer:

  about 9.80 cm

Step-by-step explanation:

The length of half the segment (h) can be found from the Pythagorean theorem:

  h² +5² = 7²

  h² = 7² -5² = 49 -25 = 24

  h = √24 = 2√6

This is half the segment length, so the whole segment length is ...

  L = 2h = 2(2√6)

  L = 4√6 ≈ 9.7980

The length of the segment is 4√6 ≈ 9.80 cm.

8 0
3 years ago
A good estimate of 213 is 8,000. Which of the<br> following is a good estimate of 226 ?
ziro4ka [17]

Answer:

E. 64,000,000

Step-by-step explanation:

2^26 = (2^13)^2

But 2^13 = 8000 so

2^26 =  (8,000)^2

= 64,000,000

7 0
3 years ago
A phone sells for $245. It is now on sale for 20% off the original price. How many dollars off is the phone?
Marysya12 [62]

Answer:

B $49

Step-by-step explanation:

the answer want how much off right? then just take the 20% off × $245 =

\frac{20}{100}  \times 245 = 49

20% = 20/100

6 0
2 years ago
What is the first eight multiples of 21
tangare [24]
The of the first multiples of 21 is 21, 42, 63, 84, 105
4 0
3 years ago
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