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erastova [34]
3 years ago
4

Ron is planning for the back-to-school rush at his store. Notebooks are sold in boxes of 42. Last year he estimated that he woul

d sell 168 notebooks, but he sold 200 notebooks. How much was Ron’s error?
A.–42
B.-32
C.32
D.168
Mathematics
2 answers:
True [87]3 years ago
5 0

Answer:

c

Step-by-step explanation:

It is a bigger number so it would be positive 32 because 200 is higher then 168

tresset_1 [31]3 years ago
4 0

Answer:

B. -32

Step-by-step explanation:

He missed his hypothesis by -32 notebooks.

168-200= -32.

Carlos ^virtuoso helper^

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Help…………….………thanks
Ksju [112]

Answer:

a= \frac{11}{12}

Step-by-step explanation:

to find a isolate it on one side by taking 1/3 by subtraction to the other side

a= \frac{5}{4} - \frac{1}{3} = \frac{11}{12}

8 0
3 years ago
4x + 5y = 10
Vika [28.1K]

Answer:

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

Step-by-step explanation:

Given equations are:

4x + 5y = 10

Ax + By = 16

The general form of linear equation in two variables is given by:

ax+by = c

Here a, b and c are constants and x,y are variables.

In the given equations, after comparing with the general form

a_1 = 4\\b_1 = 5 \\c_1 = 10\\a_2 = A\\b_2 =B\\c_2 = 16

"In order for a system of equations to have infinity many solutions,

\frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} "

Putting the values we get

\frac{4}{A} = \frac{5}{B} = \frac{10}{16}\\\frac{4}{A} = \frac{5}{B} = \frac{5}{8}\\Now\\\frac{4}{A} = \frac{5}{8}\\\frac{A}{4} = \frac{8}{5}\\A = \frac{8}{5} * 4\\A = \frac{32}{5}\\And\\\frac{5}{B} = \frac{5}{8}\\\frac{B}{5} = \frac{8}{5}\\B = 8

Hence,

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

5 0
3 years ago
Sandra used her debit card to buy lunch for $8.74 on monday . on tuesday she deposited $8.74 back into her account.what is the o
BabaBlast [244]
The answer to this question would be: $0 (no increase/decrease in her bank account).

To answer this question you need to list the increase and decrease Sandra cause. The increase happened when she deposited $8.74 money on Tuesday. The decrease happened when she use $8.74 money for lunch on Monday. If you add them together, it will become
Bank account: increase-decrease
Bank account : $8.74 - $8.74= $0
8 0
4 years ago
.
iren2701 [21]

Answer:

x-5 = 0 has a remainder of 3

x = 5

therefore p(5) = 3

x+8 = 0 has a remainder of 0

x = -8

therefore p(-8) = 0

3 0
3 years ago
I'm doing the order of 250,000 envelopes the envelopes are packed in boxes which holds 500 envelopes at peace then the boxes are
Soloha48 [4]
You will need 500 boxes

bonus-- 100 cartons
6 0
3 years ago
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