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Likurg_2 [28]
3 years ago
8

Write a problem that has two parts. Then solve it by finding the whole.

Mathematics
2 answers:
Vladimir79 [104]3 years ago
6 0

We will use word Problem , that will involve two variable.

Problem

  The sum of two number is 6 and Difference of these two number is 2.Find the Numbers.

There are two statement in the problem ,means it has two part.

So, Now Combining the two statement, and writing it in the form of equation

Let the two number be x and y.

x+y=6------(1)

x-y=2-------(2)

Adding (1) and (2)

 →2 x=8

Dividing both side by, 2 we get

→ x=4

Substituting the value of x in equation (1)

→4+y=6

→y=6-4

→y=2

⇒Solution set (x,y)=(4,2)

aivan3 [116]3 years ago
4 0
Idk lol. A contractor cut a slab of wood into 2 semicircles then he put them together.
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2a(5-b)=3b+7 solve for b<br> Step by step
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<span>2a(5-b)=3b+7

<em>[open bracket]</em>
10a - 2ab = 3b + 7

<em>[solve for b, so we need to move all terms with b to the left]</em>
<em>[-3b on both sides]</em>
10a - 2ab - 3b = 3b + 7 - 3b
10a - 2ab - 3b = 7

<em>[move all those without b to the right]</em>
<em>[-10a on both side]</em>
10a - 2ab- 3b - 10a = 7 - 10a
-2ab - 3b = 7 - 10a

<em>[divide by -1 through to change b to be positive]</em>
2ab + 3b = 10a - 7

<em>[take b out as the common factor]</em>
</span>b(2a + 3) = 10a - 7<span>

<em>[divide by (2a+3) through]</em>
b = (10a -7)/(2a+3)


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4 0
3 years ago
there are 9 students that play tennis. if 75% of the students do not play tennis, how many are in the class
Paha777 [63]
So 9 students = 25% (100%-75%=25%)
100 : 25 = 4
4 * 9 =
36 students


7 0
3 years ago
How would i go about simplifying (x+h)^3?
Sindrei [870]
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2 years ago
Show all work to factor x4 − 10x2 + 9 completely.
leva [86]

Answer:

(x+1)(x-1)(x+3)(x-3)

Step-by-step explanation:

x4-10x^2+9

Group expression so that the coefficients of the x^2 terms add up to +9.

= x^4 -9x^2   - x^2+9

match coefficients in both groups

= x^4 -9x^2   - (x^2-9)

factor each group

= x^2 (x^2-9) - 1(x^2-9)

now factor out the common factor (x^2-9)

= (x^2-1)(x^2-9)

Finally, factor each quadratic factor

= (x+1)(x-1)(x+3)(x-3)

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3 years ago
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HELP PLS!!! I GIVE BRAINLIEST
emmainna [20.7K]

Based on the multiplication property of equality, the statement that completes the proof is: C. CD = b(sin A) and CD = a(sin B).

<h3>What is the Multiplication Property of Equality?</h3>

The multiplication property of equality is given as, if a/b = y, then a = yb. Both sides of the equation is multiplied by the same value.

In step 5 where the multiplication property of equality is applied, we would have:

sin(A) = CD/b

Multiply both sides by b

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CD = b(sin A)

This same property is applied to sin B = CD/a to get CD = a(sin B).

Therefore, the missing statement is: C. CD = b(sin A) and CD = a(sin B).

Learn more about the multiplication property of equality on:

brainly.com/question/1978763

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