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marta [7]
4 years ago
8

What is the numerical expression is represented by the model?

Mathematics
2 answers:
oksano4ka [1.4K]4 years ago
4 0

Answer:

(6*5) - (3*7)

Step-by-step explanation:

The cubic grid represents the overall blocks.

Since this is true we would take into account that each block represents a number.

Since the right grid is larger it would be easier to count the left grid. Which comes out to 21.

By doing this we can check which answer holds the correct equation. By cross checking since 7 * 3 is the only one in the answer choices that comes out to 21 we can safely assume that C is the correct answer.

Shtirlitz [24]4 years ago
3 0

Answer:

c

Step-by-step explanation:

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Simplify (2/5÷3/8)÷(-3/5)
liberstina [14]

Answer:

\pink{ - 1 \frac{7}{9} }

Step-by-step explanation:

( \frac{2}{5}  \div  \frac{3}{8} ) \div ( -  \frac{3}{5} ) \\ (\frac{2}{5}  \times  \frac{8}{3} ) \times ( -  \frac{5}{3} ) \\  \frac{16}{15}  \times  -  \frac{5}{3}  \\ -   \frac{80}{45}

As the answer can be more simplified, divide both numerator and denominator by 5.

-  \frac{16}{9}  =   - 1 \frac{7}{9}

3 0
1 year ago
The triangles are similar, solve for x.<br> N+3<br> 8
Nonamiya [84]

Answer:

5

Step-by-step explanation:

3+5=8

4 0
3 years ago
Can anyone help me ? I just need the numbers
Nimfa-mama [501]

Answer:

<em>(-6, 0) and  (0, 1.5)</em>

<em></em>

Step-by-step explanation:

The equation of the line in pint slope form is expressed as;

y-y0= m(x-x0)

m is the slope

(x0, y0) is the point on the line

Given

m = 1/4

(x0, y0) = (6,3)

Substitute into the formula;

y - 3 =  1/4(x-6)

4(y-3) = x - 6

4y - 12 = x-6

4y - x = -6+12

4y - x = 6

x = 4y - 6

To get the points to plot, we will find the x and y-intercept of the resulting expression.

For the x-intercept,

at y = 0

x = 4(0) - 6

x = -6

Hence the x-intercept is at (-6, 0)

For the y-intercept,

at x = 0

0 = 4y - 6

4y = 6

y = 6/4

y = 3/2

y = 1.5

Hence the y-intercept is at (0, 1.5)

<em>Hence the required points to plot to get the required line are  (-6, 0) and  (0, 1.5)</em>

<em></em>

7 0
3 years ago
Solve for x showing all work. You will not get credit for your answer if you do not show your work. 4(x - 4) + 14 = 2(8 - 2x) +
solmaris [256]
4x-16+14=16-4x+6.
4x-16+14-16+4x-6=0(bring all values at one side)
4x+4x+14-16-16-6=0(arrange)
8x-24=0(solve)
8x=24(bring 8 on right hand side so x is alone)
X=24/8(solve)
X=3
6 0
3 years ago
A circular garden has a diameter of 20 yards. What is the area of the garden to the
marissa [1.9K]

Answer:314

Step-by-step explanation: To find area you use the formula πr^2. Your radius is 10 (since it is half your diameter). Plug it in to get π(10)^2. or 100π. Then just substitute 3.14 for π. You have 100 times 3.14 which equals 314

4 0
4 years ago
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