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777dan777 [17]
3 years ago
12

4x+3y-2x where x=8 and y=12​

Mathematics
2 answers:
Luba_88 [7]3 years ago
8 0

Answer:

52

Step-by-step explanation:

vesna_86 [32]3 years ago
3 0
The answer should be 52
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Solve the following problems. a. 2 ft. 5 in. + 9 in. b. 4 yd. 8 in + 6 yd. 6 in. c. 29 yd. 2 ft. 11 in. + 55 yd. 1 ft. 10 in. +
Arada [10]
<span>a. 2 ft. 5 in. + 9 in.=2 ft 14 in.=2 ft. (12+2) in.=3 ft. 2 in. (since 1 ft.=12 in.);
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<span> b. 4 yd. 8 in + 6 yd. 6 in. =(4+6) yd. (8+6) in.=10 yd. 14 in.=10 yd. (12+2) in.=10 yd. 1 ft. 2 in.;
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<span>c. 29 yd. 2 ft. 11 in. + 55 yd. 1 ft. 10 in. + 13 yd. 1 ft. 3 in.=(29+55+13) yd. (2+1+1) ft. (11+10+3) in.=97 yd. 4 ft. 24 in.=97 yd. (3+1)  ft. (12+12) in.=98 yd. 3 ft.=99 yd.
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d. 4,839 sq. yd. 8 sq. ft. 139 sq. in. + 7 sq. ft. 124 sq. in.=4,839 sq. yd. (8+7) sq. ft. (139+124) sq. in.=<span>4,839 sq. yd. 15 sq. ft. 263 sq. in. =</span>
<span>4,839 <span>sq. yd. 15 sq. ft. (144+119) sq. in.=</span></span><span>4,839 sq. yd. 16 sq. ft. 119 sq. in.=</span><span>4,839 <span>sq. yd. (9+7) sq. ft. 119 sq. in.=</span></span><span>4,840 <span>sq. yd. 7 sq. ft. 119 sq. in.</span></span>










4 0
3 years ago
To get to school, Grayson usually walks 1.5 miles west and 0.8 miles north on the sidewalks. Because he is in a hurry, he has de
Alex17521 [72]

Answer:

Grayson has to walk 1.7 miles across the field.

Step-by-step explanation:

We have drawn the diagram for your reference.

Given:

Grayson usually walks 1.5 miles west on the side walks

According to Diagram we can say;

CA = 1.5 miles

Also Given:

Grayson also walks 0.8 miles north on the sidewalks

So According to Diagram we can say;

BA =0.8 miles

Now we need to find number of miles Grayson have to walk across the field.

According to diagram we can say;

We have to find CA.

Assuming the diagram  to be right angled triangle.

We can find CA using Pythagoras theorem.

{CA}^2 = {CB}^2+{BA}^2

Substituting the given values we get;

{CA}^2 =1.5^2+0.8^2 = 2.25 +0.64 =2.89

Taking square root on both side we get;

\sqrt{{CA}^2} = \sqrt{2.89} \\\\CA = 1.7 \ mi

Hence Grayson has to walk 1.7 miles across the field.

4 0
3 years ago
What is the equation to the graph? <br>​
const2013 [10]

Answer:

y = -2/1 + 3

y = -2 + 3

either or

5 0
3 years ago
Helpp plz i'll mark brainliest (see picture). <br> The second part is, What is the value of y?
Art [367]

Answer:

116*

Step-by-step explanation:

36* + 28* = 64*

180* - 64* = 116*

4 0
3 years ago
20 points PLEASE HELP
Alex_Xolod [135]

Answer: r=C/2π

Step-by-step explanation:

Circumference= 2πr

C=2πr

Divide both side by 2π

C/2π = 2πr/2π

r = C/2π

7 0
3 years ago
Read 2 more answers
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