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xeze [42]
3 years ago
6

What is the algebra mat below models the equation x- 2 =4​

Mathematics
2 answers:
scoundrel [369]3 years ago
3 0

Answer:

if, x - 2 = 4,

Then, x = 6

Because 6 - 2 = 4

zhuklara [117]3 years ago
3 0

Answer:

x=6

Step-by-step explanation:

x-2=4 add both part 2

x-2+2=4+2

x=6

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Stan ran 4 7/10 miles, which was 1 3/10 fewer miles than Matt ran. Four students wrote and solved equations to find m, the numbe
nydimaria [60]

Answer: <u><em>Miles ran by Matt = 6 miles</em></u>

Step-by-step explanation: Miles ran by Stan = 4 7/10

i.e. 1 3/10 miles less than Matt.

∴ Miles ran by Matt = 4 7/10 + 1 3/10 = 60/10 = 6miles

∴<u><em> Miles ran by Matt = 6 miles</em></u>

<u><em /></u>

6 0
2 years ago
Read 2 more answers
hakeem's frog made 3 quick jumps. the first was 1m. the second was 85cm and the third was 400mm. what was the total length in cm
azamat
1m=100cm
85 cm
400 mm=40 cm
Add up them up and you get 225 cm in total
4 0
3 years ago
What is the constant in the following equation? 12 = 3k
stiks02 [169]

Answer:

k = 4

Step-by-step explanation:

12=3k\\\frac{12}{3}=\frac{3k}{3} \\4=k

5 0
3 years ago
Let X1, X2, and X3 represent the times necessary to perform three successive repair tasks at a service facility. Suppose they ar
belka [17]

Answer:

The mean of the total repair time is 150 minutes.

The variance of the total repair time is 725 minutes^2.

Step-by-step explanation:

To solve this problem, we have to use the properties of the mean and the variance. Our random variable is the sum of 3 normal variables.

In the case, for the mean, we have that the mean of the sum of 3 normal variables is equal to the sum of the mean of the 3 variables:

y=x_1+x_2+x_3 \\\\E(y)=E(x_1+x_2+x_3)=E(x_1)+E(x_2)+E(x_3)\\\\E(y)=50+60+40=150

For the variance, we apply the property for the sum of independent variables (the correlation between the variables is 0):

V(y)=V(x_1)+V(x_2)+V(x_3)\\\\V(y)=s_1^2+s_2^2+s_3^2\\\\V(y)=15^2+20^2+10^2\\\\V(y)=225+400+100\\\\V(y)=725

8 0
3 years ago
Kira made 208 dollars for 13 hours of work at the same rate how many hours would she have to work to make 176 dollars?
Irina-Kira [14]
208 ÷ 13 = 16, so her rate is $16 per hour. Through guess and check,

Kira would have to work 11 hours to make $176.
6 0
3 years ago
Read 2 more answers
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