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Elden [556K]
3 years ago
14

3x−(2x+1) for x=7 5/13

Mathematics
1 answer:
marusya05 [52]3 years ago
8 0

Answer:

83/13 or 6.3846

Step-by-step explanation:

i subsituted for x and used a calculator

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Math help ohh yup #5 in the middle
UkoKoshka [18]

Answer:

m<7 = 49°

m<8 = 41°

m<9 = 49°

m<10 = 41°

Step-by-step explanation:

Given :

m<7 ≅ m<9

m<8 = 41°

m<7 = 90° - m<8 (complementary angles)

m<7 = 90° - 41° (substitution)

m<7 = 49°

m<9 = m<7 (m<7 ≅ m<9)

m<9 = 49° (substitution)

m<10 = 90 - m<9

m<10 = 90 - 49

m<10 = 41°

8 0
3 years ago
Angelique is building a model of her home. Her house is 24 feet tall, and the home in her model is 8 inches tall. She wants to a
timama [110]

We have that

Her house is -----------------------24 feet tall

Her model is----------------------- 8 inches tall

The inch is a unit of length used primarily in the imperial and U.S. customary measurement systems, representing 1/12 of a foot

 in =ft * 12.000

24 feet=12*24=288 inches

Her house is -----------------------288 inches tall

Her model is----------------------- 8 inches tall

 

288/8=36 scale of reduction

Her brother is 5 feet tall

<span>The figurine in the model that represents her brother  (5/36)</span>=0.138889 feet

<span>0.138889*12=1.67 inches</span>

3 0
3 years ago
Read 2 more answers
Alan wants to install security cameras in his store, which has dimensions of 30 feet by 30 feet. Each camera can view an area of
FinnZ [79.3K]
30×30=900
900/112.5=8 cameras to cover

112.5×4=450
900-450=450 ft left uncovered
8 0
3 years ago
Read 2 more answers
Help please. I did my best to find the answer but...
lorasvet [3.4K]

Answer:

24

Step-by-step explanation:

This a special right triangle with angle measures of 30° 60° 90°

The side length that sees angle measure 30° is represented with a, the one that sees 90° is represented by 2a and the one that sees 60° is represented by a√2

AC sees angle B which has an angle measure of 60

(6√2)×(√2) = 24

4 0
2 years ago
Find the length of BC.
Murrr4er [49]

Answer:

C, 53.68 units

Step-by-step explanation:

tan 54° = \frac{x}{39}

39 tan 54° = x

x= 53.6788949 (just plug it in a scientific or graphing calculator)

x≈53.68

4 0
2 years ago
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