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S_A_V [24]
3 years ago
10

(3x-8) + (-4x+9)​ idk

Mathematics
1 answer:
lesya [120]3 years ago
8 0
Answer= 19

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You might be interested in
Simplify the rational expression <br> x^4 y^2/xy^7.
sammy [17]

Answer: x^3y^9

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): Dot was discarded near "7.".

<u>STEP 1: </u>

Simplify \frac{y^2}{x}

<u>The equation at the end of step 1:</u>

((x^4)*\frac{y^2}{x} )*y^7

<u>Multiplying exponential expressions:</u>

2.1    y^2 multiplied by y^7 =y^(2+7)=y^9

Final result is x^3y^9

8 0
2 years ago
PLEASE HELP!!!!! HAVING TROUBLE <br><br> (see attached images)
qaws [65]

Answer:

The Proof for

Part C , Qs 9 and Qs 10  is below.

Step-by-step explanation:

PART C .

Given:

AD || BC ,

AE ≅ EC

To Prove:

ΔAED ≅ ΔCEB

Proof:

Statement                             Reason

1. AD || BC                           1. Given

2. ∠A ≅ ∠C                        2. Alternate Angles Theorem as AD || BC

3. ∠AED ≅ ∠CEB               3. Vertical Opposite Angle Theorem.

4. AE ≅ EC                        4. Given

5. ΔAED ≅ ΔCEB              5. By A-S-A congruence test....Proved

Qs 9)

Given:

AB ≅ BC ,

∠ABD ≅ ∠CBD

To Prove:

∠A ≅ ∠C

Proof:

Statement                             Reason

1. AB ≅ BC                        1. Given

2. ∠ABD ≅ ∠CBD            2. Given      

3. BD ≅ BD                       3. Reflexive Property

4. ΔABD ≅ ΔCBD             4. By S-A-S congruence test

5. ∠A ≅ ∠C                       5. Corresponding parts of congruent Triangles Proved.

Qs 10)

Given:

∠MCI ≅ ∠AIC

MC ≅ AI

To Prove:

ΔMCI ≅ ΔAIC

Proof:

Statement                             Reason

1. ∠MCI ≅ ∠AIC       1. Given

2. MC ≅ AI              2. Given

3. CI ≅ CI                3. Reflexive Property

4. ΔMCI ≅ ΔAIC     4. By S-A-S congruence test

4 0
3 years ago
Write the time 1:49 in two ways​
jekas [21]

Answer:

1 hour and 45 mins or 1 hour, 40 mins, and 5 seconds

Step-by-step explanation:

5 0
3 years ago
Liang enlarged a photograph to 1 3/4 times it original size. The original photograph was 5 inches wide. What was the width of th
Alja [10]
8.75 inches
5 divided by 4 is 1.25
1.25 x 3 = 3.75
3.75 + 5 = 8.75
7 0
3 years ago
Solve both equations for y and graph <br>-4x+y=-2<br>-6x+3y=2
JulijaS [17]
I put the solution on the paper

8 0
3 years ago
Read 2 more answers
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