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zalisa [80]
3 years ago
14

Name two mixed numbers that the sum is 8 4/8 and the difference is2 2/8

Mathematics
1 answer:
timama [110]3 years ago
7 0
I will change them back to mixed numbers, I just work better with decimals.
F= first number
S= second number
f+s=8.5
f-s=2.25
-2s=-6.25
s=3.125
8.5-3.125= 5.375
The numbers are 3 1/8 and 5 3/8.
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Can someone help me pls
qaws [65]

Answer:Example1: 2 and 2 1/2

The mark that is closest to the right end of the glue stick is for 2 1/2 inches.

Answer on last part is 2 1/2 inches

Example 2: 1 2/4 and 1 3/4

The mark that is closest to the right end of the paper clip is for 1 3/4

Answer on last part is 1 3/4

Step-by-step explanation: the ruler is split into halves and fourths between the whole numbers the longer lines are halves shorter are fourths.

5 0
3 years ago
Write an equation in point-form of the line through point J(4,-4) with slope 4
Ksivusya [100]
Plug into y-y1=m(x-x1)
y+4=4(x-4)


8 0
2 years ago
Through: (6, 2), perpendicular to<br> y = -x-5 <br> in slope intercept form
True [87]

Answer:

y = x-4

Step-by-step explanation:

y = -x-5

Slope of line is -1.

Slope of perpendicular to line is 1.

Point-slope equation for line of slope 1 that passes through (6,2):

y-2 = 1(x-6)

Rearrange equation to slope-intercept form:

y = 1(x-6) + 2

y = x-4

6 0
2 years ago
How do I do this because it's really confusing haha
netineya [11]
A = 1.5
B = -1/3
C = -4/3

A is a positive so there is only one possibility
B is in between 0 and -1, so it has to be -1/3
C is below -1 and so its the improper fraction

5 0
3 years ago
A random sample of 70 printers discovered that 25 of them were being used in small businesses. find the 95% limit for the popula
kvasek [131]

Answer:

The sample proportion of printers used in small business is:

\hat{p}=\frac{25}{70}=0.3571

The 95% confidence interval for the population proportion of printers that are used in small businesses is:

\hat{p} \pm z_{\frac{0.05}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n} }

Where:

z_{\frac{0.05}{2}}=1.96 is the critical value at 0.05 significance level

\therefore 0.3571 \pm 1.96 \sqrt{\frac{0.3571(1-0.3571)}{70} }

         0.3571 \pm 0.1122

         \left ( 0.3571 - 0.1122, 0.3571 + 0.1122 \right)

         \left(0.245,0.469 \right)

Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)



7 0
3 years ago
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