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Musya8 [376]
3 years ago
11

5(x - 1) and 5x - 1is it equivalent ​

Mathematics
2 answers:
Lyrx [107]3 years ago
8 0

Answer:

no

Step-by-step explanation:

5(x - 1) = 5x - 5

5x - 1 = 5x - 1

No, it is not equivalent

suter [353]3 years ago
6 0
No, 5(x-1) expands out to make 5x-5. So 5x-1 and 5x-5 aren’t equivalent.
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What is 400g at 25p per kg
adell [148]
400g=.4kg
.4kg×25p/1kg=10p
6 0
4 years ago
26
Triss [41]

<u>Corrected Question</u>

Ping lives at the corner of 3rd Street and 6th Avenue. Ari lives at the corner of 21st Street and 18th Avenue. There is a gym 2/3 the distance from Ping's home to Ari's home.  Where is the gym?

  • 9th Street and 10th Avenue
  • 12th Street and 12th Avenue
  • 14th Street and 12th Avenue
  • 15th Street and 14th Avenue

Answer:

(D)15th Street and 14th Avenue

Step-by-step explanation:

Ping's Location: (3rd Street, 6th Avenue)

Ari's Location: (21st Street, 18th Avenue)

The gym is at point P which is \dfrac{2}{3} the distance from Ping's home to Ari's home.

That is, Point P divides the line segment in the ratio 2:1.

We use the section formula:

(x,y)=\left(\dfrac{mx_2+nx_1}{m+n}, \dfrac{my_2+ny_1}{m+n}\right)

m:n=2:1, (x_1,y_1)=(3,6), (x_2,y_2)=(21,18)

=\left(\dfrac{2*21+1*2}{2+1}, \dfrac{2*18+1*6}{2+1}\right)\\=\left(\dfrac{45}{3}, \dfrac{42}{3}\right)\\=(15,14)

The gym is located at 15th Street and 14th Avenue.

6 0
3 years ago
7.2b + 6.5 &gt; 4.8b – 8.1.
Marianna [84]
Isolate the variable by dividing each side by factors that don't contain the variable.
Inequality Form:
b
<
4.541
¯
6
b
<
Interval Notation:
(
−
∞
,
4.541
¯
6
)
8 0
3 years ago
If 2x+ y= 10 and y=3x find the value of both x and y
Marat540 [252]

Given the set of equations:

2x + y = 10

y = 3x

Let's solve for x and y.

Here, let's use substitution method.

Substitute 3x for y in equation 1:

2x + y = 10

2x + 3x = 10

5x = 10

Divide both sides by 5:

\begin{gathered} \frac{5x}{5}=\frac{10}{5} \\  \\ x=2 \end{gathered}

In equation 2, substitute 2 for x to find y.

y = 3x

y = 3(2)

y = 6

Therefore, we have:

x = 2 and y = 6

ANSWER:

x = 2, y = 6

6 0
1 year ago
What is the coefficient of z in 14xy2z - 3?
adoni [48]

Answer:

2

Step-by-step explanation:

6 0
3 years ago
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