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Brums [2.3K]
3 years ago
12

Which expression is represented by the model?

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

4x-3

Step-by-step explanation:

I have never worked with the program you are using, but if i were to assume,

there are four Xs (4x) and three minus signs, (-3)

so 4x-3 make the most sense to me.

i hope this helps!

:)

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How do you calculate slope in pre algebra
frez [133]

Answer:

Find the slope from a graph

Locate two points on the line whose coordinates are integers.

Starting with the point on the left, sketch a right triangle, going from the first point to the second point.

Count the rise and the run on the legs of the triangle.

Take the ratio of rise over run to find the slope. m = rise / run.

5 0
3 years ago
A high rise building has a sink on the fourth floor located 2-feet above the floor. Each floor is 10-feet above the other. Calcu
kap26 [50]
The pressure at a certain height is the pressure at sea level plus the hydrostatic pressure.

P = 80 psi + ΔP
where
ΔP = ρgh
ρ is the density of water equal to 62.4 lbm/ft³
ΔP = (62.4 lbm/ft³)(1 lbf/lbm)(4*10 + 2 ft)(1 ft/12 in)² = 18.2 psi

Thus,
P = 80 + 18.2
<em>P = 98.2 psi</em>
8 0
4 years ago
I need help with this math problem!
notka56 [123]
Write out   5t^2                    3t                            5t^2
                 -------- .  Invert --------- and multiply ---------- by the result:
                  8x^2                 (x^2)                         8x^2

                5t^2
multiply ---------- by the result:      5t^2       5*x^2     25 t^2 x^2
                8x^2                            ------- * ---------  = ----------------
                                                    8x^2         3t         8x^2 (3t)

Reducing this, we get       25t
                                        -------
                                         24x


3 0
3 years ago
In the following diagram, ABCD is a parallelogram. Is AC the bisector of angle BAD? Show calculations and explain
vlada-n [284]
AC is not the bisector of angle BAD. AC made both sides a triangle and every triangles angles have to add to 180 degrees. So 115+30= 145 meaning angle DAC is 35 degrees. So AC cuts through BAD but one side is 30 degrees and the other is 35(DCB and DAB are the same angle…they both have to add up to 65 degrees)
3 0
3 years ago
Read 2 more answers
What is the length of BC?<br>A. 9 units<br>B. 11 units<br>C. 15 units <br>D. 16 units​
Norma-Jean [14]

Answer:

15units

Step-by-step explanation:

BC is: 5x=5×3=15 units. so,Length of BC=15 units

3 0
3 years ago
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