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Ksivusya [100]
3 years ago
6

Give brainly plsssss help meeee

Mathematics
2 answers:
irina1246 [14]3 years ago
5 0

Answer:

the answer is 48, or the second choice B

Step-by-step explanation:


DENIUS [597]3 years ago
3 0

Answer:

48 cm^2

Step-by-step explanation:

The area of a triangle is given by

A = 1/2 bh

A = 1/2 * 12 *8

   = 1/2 *96

   = 48 cm^2

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Nikolay [14]
<span>A. 3(3x + 4) should be the correct answer.</span>
5 0
3 years ago
Read 2 more answers
Can someone help me with this problem://
fiasKO [112]

You can simply collect terms, subtract the constant and divide by the x-coefficient. It is generally considered easier to do those steps if you eliminate fractions first (multiply by 12).

Multiply by 12

... 4(x -1) +3(x +5) = 6

... 4x -4 +3x +15 = 6 . . . . . eliminate parentheses

... 7x +11 = 6 . . . . . . . . . . . .collect terms

... 7x = -5 . . . . . . . . . . . . . . subtract the constant 11

... x = -5/7 . . . . . . . . . . . . . divide by the x-coefficient

_ _ _ _ _ _ _

Here it is the other way.

... x(1/3 +1/4) +(-1/3 +5/4) = 1/2

... (7/12)x + 11/12 = 1/2 . . add the fractions to finish collecting terms

... x + 11/7 = 6/7 . . . . . . . multiply by 12/7

... x = -5/7 . . . . . . . . . . . subtract 11/7

At the third step here, you could subtract 11/12 before doing the multiply. You get the same answer, but you have to do the extra conversion of 1/2=6/12.

8 0
3 years ago
this year a farmer planted 300 acres of corn. this was 1.5 times as many acres as he planted last year. how many acres did he pl
diamong [38]
X • 1.5 = 300

So...

300/ 1.5 = 200

He planted 200 acres last year
6 0
3 years ago
In a sample of 800 U.S.​ adults, 219 think that most celebrities are good role models. Two U.S. adults are selected from this sa
shutvik [7]

Answer:

Step-by-step explanation:

A.

P=(219/800)×(218/799)≈0.0747≈0.075

B.

800-219=581

P=(581/800)×(580/799)≈0.527

c.

P( 1 think role models  and one thinks not role models)+P(both thinks they are role models)=(219/800)×(581/799)+(219/800)×(218/799)=(219×581+219×218)/(800×799)

=[219(581+218)]/(800×799)

=(219×799)/(800×799)

=219/800

=0.27375

=0.274

7 0
3 years ago
A number subtracted from 13 equals six
allochka39001 [22]
7 because 13-6 is equal to 7
5 0
3 years ago
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