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Sauron [17]
3 years ago
8

Find the measure for rus

Mathematics
1 answer:
timama [110]3 years ago
3 0

Answer:

90

Step-by-step explanation:

39+23+28=90

180-90=90

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If I save 100 dollars every two weeks for a month how much will i have
lyudmila [28]

Answer:

200

Step-by-step explanation:

it also depends on how many weeks there are in the month but yeah 200 is right.

4 0
3 years ago
How is using a double number line similar to finding equivalent ratios?
Karolina [17]
One way that double number lines are similar to finding equivalent ratios is that to find your answer on a double number line, you add equivalent ratios to your number line.
4 0
3 years ago
Why can you use cross products to solve the proportion StartFraction 18 over 5 EndFraction = StartFraction x over 100 EndFractio
gtnhenbr [62]

9514 1404 393

Answer:

  it is application of the multiplication property of equality

Step-by-step explanation:

You can use "cross products" to solve any proportion. What looks like a "cross product" is just application of the multiplication property of equality. That property says the variable value is unchanged if both sides of the equation are multiplied by the same value.

For your fraction, the "cross product" is what you get when you multiply both sides of the equation by 500.

  \dfrac{18}{5}=\dfrac{x}{100}\qquad\text{given}\\\\\dfrac{18\cdot5\cdot100}{5}=\dfrac{x\cdot5\cdot100}{100}\qquad\text{multiply by $5\cdot100$}\\\\18\cdot100=5\cdot x\qquad\text{cancel common factors; looks like cross product}

__

Note that the next step here is to divide by the x-coefficient, the 5 that was in the left-side denominator.

  \dfrac{18\cdot100}{5}=x\qquad\text{divide by 5}

Please also note that this is exactly the same result you would get by multiplying the original equation by the original denominator of x.

8 0
3 years ago
The math department is putting together an order for new calculators. The
BabaBlast [244]

Required data table is attached below :

Answer:

D. The fewest students prefer black Model A1 calculators.

Step-by-step explanation:

From the data Given :

Larger proportion of students prefer White calculators(0.65) to black calculators (0.35)

Also, Fewer proportion of students like black model C3 (0.20) than white model A1 (0.40)

Also, the proportion of students who like model C3 calculators(0.30) are fewer than those who prefer the model A1 (0.45)

Therefore, the true inference which can be derived from the data is, the least preferred calculator is the Black model A1 calculator with a proportion of 0.05

3 0
3 years ago
Help me answer this pleasee thank you!!!
defon

Answer:

3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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