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ki77a [65]
3 years ago
6

Tammy and Jodi assembled 420 circuit boards in 8 hours. The next day they assembled 36 more circuit boards in the same amount of

time. What was their average rate on the second day?​
Mathematics
2 answers:
jeyben [28]3 years ago
6 0
If they had completed 420 boards in eight hours that would be 52.5 boards every hour but if they only produced 36 in the eight hours a day schedule that they only completed 4.5 board every hour
liubo4ka [24]3 years ago
3 0

Answer:

fifty seven

Step-by-step explanation:

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A carrot has a volume of 200cubic centimeters and a mass of 80grams. Calculate its density.
valentinak56 [21]
Density=m/V
m=80 gr
V=200cm^3
Density=80gr/200cm^3
Density=0.4 gr per cubic centimeter
4 0
3 years ago
In May, the school store sells 80 erasers. In June, the store sells only 16 erasers. What is the percent of change in erasers so
lawyer [7]

Answer:  80%

Step-by-step explanation:

Since we have given that

Number of erasers sold in May = 80

Number of erasers sold in June = 16

Decrement in 1 month gap is given by

16-80=-64

So, Percentage of change in erasers sold from May to June is given by

\frac{-64}{80} × 100

= -80% (Decreased 80%)

4 0
3 years ago
What is the value of x in the equation 3- 2x = -1.5х?
Vika [28.1K]

Answer:

x = 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

3 - 2x = -1.5x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 2x on both sides:                    3 = 0.5x
  2. Divide 0.5 on both sides:               6 = x
  3. Rewrite:                                           x = 6

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in<em> x</em>:                    3 - 2(6) = -1.5(6)
  2. Multiply:                               3 - 12 = -9
  3. Subtract:                              -9 = -9

Here we see that -9 does indeed equal -9.

∴ x = 6 is the solution to the equation.

6 0
3 years ago
Read 2 more answers
Solve and i give brainliest
Temka [501]

Answer:

0.25

Step-by-step explanation:

-9/6 divided by 3/-2 = 0.25

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4 0
3 years ago
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What are the solutions to the system of equations graphed
sweet-ann [11.9K]

Answer:

The point of intersection between the 2 graphs.

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