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4 years ago

Guys please help me with this !!!! Right answers plz

Mathematics

1 answer:

ziro4ka [17]4 years ago

4 0

Answer:

42.5

Step-by-step explanation:

When you do the bottom corners, it 2x2 divided 2 then you do 2x2, then 5x2 divided by 2 you do 3.5x9.0 when you add all of them up you get 42.5.

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Atwo digit postive number is such that the ones digit is 2.5 times ad much as the tens digit if the number obtained when the dig

Sholpan [36]

Answer:

25.

Step-by-step explanation:

We can write the expression as 10x + 2.5x where x is the tens digit.

So reversed we have 25x + x.

- and 25x + x - (10x + 2.5x) = 27

22.5x - 9x = 27

13.5x = 27

x = 2 and 2.5x = 5.

So the number is 25.

5 0

3 years ago

Find an equation of the line described below. Write the equation in slope-intercept form (solved for y), when possible.

Vinil7 [7]

Answer:

Step-by-step explanation:

<u>Equation of a line</u>

A line can be completely defined by two points. Suppose we know the line passes through points A(x1,y1) and B(x2,y2).

The equation for a line can be written as:

$y=mx+b$

Where m is the slope and b is the y-intercept. Both values can be determined by using the coordinates of the given points.

First, determine the slope with the equation:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

The points are: A(15,3) B(3,15)

$\displaystyle m=\frac{15-3}{3-15}=\frac{12}{-12}=-1$

The equation of the line can be written as:

$y=-x+b$

Now, use any point to determine the value of b. Substitute (15,3):

$3=-15+b$

Solve for b:

b=18

The equation of the line is

y=-x+18

The slope is -1 and the y-intercept is 18.

3 0

3 years ago

Explain how you would trace an argument. (1 point)

Nastasia [14]

Answer:

A. You would trace an argument by seeing if the reasons and evidence are relevant in their support of the claim.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

You can answer only this question, it's ok:

Sophie [7]

1)100 or A
Angle = |30*H - (11/2)*M|, where H is the hours hand and M is the minutes hand

in this case: H = 4, M= 40
30*4 - (11/2)*40 = 120 - 220 = -100 = |-100| = 100
2)x=4y or C
If you plug in 0,0 you will get 0=4×0 or 0,0

7 0

4 years ago

Find the value of 3 + 2 • (8 – 3)

Setler [38]

Answer:

Step-by-step explanation:

3+2(8-3)

3+2*5

3+10

use BODMAS rule (Bracket Of Division Multiplication Addition and Subtraction).

8 0

3 years ago

Read 2 more answers