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inessss [21]
3 years ago
8

How to simplify 2(3-4a)+5(a-7)

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
4 0

Multiply the first bracket by 2

Multiply the second bracket by 5

6-8a+5a-35

6-35-8a+5a ( just rearranging)

-29-3a or -3a-29 same answer just rearranging.

Answer is -29-3a or -3a-29

Aleks [24]3 years ago
3 0

Answer:

2(3-4a)+5(a-7)

=6-8a+5a-35

=-3a-29

Step-by-step explanation:

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lana [24]
2(-2)+1 = -3
2(-1)+1 = -2
2(0)+1 = 1
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5 0
3 years ago
Cual de estos utiliza la propiedad distributiva para mostrar la forma expandida de la expresion: -4 . (-5 + 3)
mr Goodwill [35]

Respuesta:

8

Explicación paso a paso:

Si A, B y C son números enteros, según la propiedad distributiva;

A (B + C) = AB + AC

tenga en cuenta que A se distribuyó sobre B y C

Aplicando esto para expandir la expresión dada -4. (-5 + 3)

-4. (-5 + 3)

= -4 (-5) + -4 (3)

= 20 + (-12)

= 20 - 12

= 8

Por lo tanto, la respuesta requerida es 8

3 0
3 years ago
X:y=5:3 and x+y=56 work out the value of x-y
Vladimir79 [104]

x - y = 14

given the ratio x : y = 5 : 3

then let x = 5x and y = 3x, hence equation can be expressed as

5x + 3x = 56

8x = 56 ( divide both sides by 8 )

x = 7

Hence x = 5 × 7 = 35 and y = 3 × 7 = 21

Thus x - y = 35 - 21 = 14


6 0
3 years ago
An extremely large sink hole has opened up in a field just outside of the city limits. It is difficult to measure across the sin
abruzzese [7]
Triangle ABC and triangle DCE are congruent, so line DE = line AB

Use the cosine rule to find angle ACB
52.2^{2}= 50^{2}+  70^{2}-(2*50*70*cos(ACB))
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2724.84-7400=-7000cos(ACB)
-4675.16=-7000cos(ACB)
\frac{4675.16}{7000}=cos(ACB)
Angle ACB= cos^{-1} ( \frac{4675.16}{7000})
Angle ACB = 48.1°

5 0
3 years ago
Help Or Else I wiLl TrOw YoU INto A ToLiet
bonufazy [111]

Answer:

n o

Step-by-step explanation:

I refuse to help. punish me and put me in the toilet

jk lol

3 0
3 years ago
Read 2 more answers
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