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Firdavs [7]
3 years ago
11

Giải bài tập toán giúp tôi

Mathematics
2 answers:
11111nata11111 [884]3 years ago
6 0

Answer:

5x2 + 5x -1

Step-by-step explanation:

jus multiply 3x to 2x because there to the same power. it becomes a postive and you leave the rest.

snow_lady [41]3 years ago
3 0

Answer:

the first answer is right

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Annette [7]
The answer is 3 for this question.
7 0
3 years ago
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To solve -3 = -19 + d/5, what steps would you use?
Pachacha [2.7K]

To solve the expression, the steps are add 19 and multiply by 5

<h3>How to solve the expression</h3>

Given the equation;

-3 = -19 + d/5

First,

Collect like terms

-3+ 19 = d/5

Add the values on the left side

We have

16 = d/5

Cross multiply

16 × 5 = d

We then have

d = 80

Thus, to solve the expression, the steps are add 19 and multiply by 5

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brainly.com/question/4344214

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8 0
2 years ago
Cuantos múltiplos de 9 hay entre 60 y 100
slega [8]

Answer: 5 multiples of 9

Step-by-step explanation:

First take the difference between 100 and 60.

100-60=40

Then divide the difference by 9.

40/9=4.44

4.44 rounded up is 5 ==> 5 multiples of 9

Primero toma la diferencia entre 100 y 60.

100-60=40

Luego divide la diferencia entre 9.

40/9=4,44

4.44 redondeado es 5 ==> 5 múltiplos de 9

4 0
2 years ago
Read 2 more answers
ITS FOR A TEST HELPPPPP
Marrrta [24]

Answer:

top right

Step-by-step explanation:

5 0
3 years ago
Solve for x<br><br> Need help with this last question
Serhud [2]

Answer:

x = 8

Step-by-step explanation:

2(78°) = 20x - 4

156 = 20x - 4

add 4 to each side of the equation:

160 = 20x

divide both sides by 20:

x = 8

6 0
3 years ago
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