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3 years ago

Write a situation that could be represented by the algebraic expression below: 2a + 3b

Mathematics

2 answers:

Damm [24]3 years ago

6 0

Answer:

You have 2 mystery boxes and you add them to 3 mystery bags. Each has a different amount of things represented by a and b.

Step-by-step explanation:

GenaCL600 [577]3 years ago

3 0

This is the answer you can’t click on the picture to see the answer to the problematic

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Interpreting Solutions:

Darina [25.2K]

We have that
solution is
x <-10 or x>=25

for
x < -10
the solution is the interval (-∞, -10)

and
for
x>=25
the solution is the interval [25,∞)

therefore
the solution for
x <-10 or x>=25
is
(-∞, -10) ∪ [25,∞)

<span>the solution is any value of x less than -10 or greater than or equal to 25</span>

6 0

3 years ago

Read 2 more answers

What are two divison ways that can help solve 7divided by 406

Kay [80]

You can round 406to420 then divide by 7 or 406-490 divided by 7

6 0

3 years ago

Fatima is shaping this model to show 0.08 x 3. shade the correct amount of boxes that will show the product. fatima should shade

julia-pushkina [17]

Answer:

Fatima should shade 3 groups of 8 small squares or 24 small squares.

Step-by-step explanation:

Consider the provided information.

Fatima is shading this model to show 0.08 × 3. Shade the correct amount of boxes that will show the product.

Here 3 represents the number of groups and 8 represents the small square.

Multiplication is repeated addition.

We can rewrite the above multiplication as: 0.08 + 0.08 + 0.08

Therefore 0.08 × 3 = 0.24

Here 0.24 represents 24 small squares.

The required model is shown below:

Hence, Fatima should shade 3 groups of 8 small squares or 24 small squares.

8 0

3 years ago

4y-3(5y-2)=-4-4(-2-y)

Umnica [9.8K]

Answer:

-0.4

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Compute the lower Riemann sum for the given function f(x)=x2 over the interval x∈[−1,1] with respect to the partition P=[−1,− 1

Nata [24]

Answer:

21/64

Step-by-step explanation:

First, we need to note that the function f(x) = x² is increasing on (0, +∞), and it is decreasing on (-∞,0)

The first interval generated by the partition is [-1, -1/2], since f is decreasing for negative values, we have that f takes its minimum values at the right extreme of the interval, hence -1/2.

The second interval is [-1/2, 1/2]. Here f takes its minimum value at 0, because f(0) = 0, and f is positive otherwise.

Since f is increasing for positive values of x, then, on the remaining 2 intervals, f takes its minimum value at their respective left extremes, in other words, 1/2 and 3/4 respectively.

We obtain the lower Riemman sum by multiplying this values evaluated in f by the lenght of their respective intervals and summing the results, thus

LP(f) = f(-1/2) * ((-1/2) - (-1)) + f(0) * (1/2 - (-1/2)) + f(1/2)* (3/4 - 1/2) + f(3/4) * (1- 3/4)

= 1/4 * 1/2 + 0 * 1 + 1/4 * 1/4 + 9/16 * 1/4 = 1/8 + 0 + 1/16 + 9/64 = 21/64

As a result, the lower Riemann sum on the partition P is 21/64

3 0

3 years ago