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Lina20 [59]
2 years ago
12

Help me please !!!!!!!!!!!!!!!!!

Mathematics
2 answers:
NISA [10]2 years ago
8 0

Answer:

x=21

Step-by-step explanation:

I'm not sure if I understood what the problem is asking for and if the numbers behind 3 are answer choices but the answer would be 21.

3's times table:

3*1=3

3*2=6

3*3=9

3*4=12

3*5=15

3*6=18

3*7=21

Since 3 times 7 equals 21 the following equations involving division with the numbers 3, 7, and 21 would be:

\frac{21}{7}=3         \frac{21}{3}=7      

Hope this helps

Julli [10]2 years ago
4 0

Answer: x=21 i think

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Answer:

is there picture?

Step-by-step explanation:

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klasskru [66]
Answer;
red line: y = x
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A professora Luísa observou que o numero de meninas de turma dividido pelo numero de meninos dessa turma e 0,48. Qual e o menor
saw5 [17]

Respuesta:

37 estudiantes

Explicación paso a paso:

El número de niños dividido por el número de niñas = 0,48

Dejar :

x = número de niños; y = número de niñas

Tenemos ;

x / y = 0,48

Conversión a decimal;

0.48 es equivalente a 48/100

Reduciendo a la forma más simple:

48/100 = 12/25

Comparando:

x / y = 12/25

x = 12; y = 25

El menor número posible de estudiantes:

x + y = 12 + 25 = 37 estudiantes

5 0
2 years ago
PLEASE HELP ME!! 1.02: Triangle Similarity 1<br><br> What is the value of X?
hichkok12 [17]

Answer:

<h2>x = 28</h2>

Step-by-step explanation:

ΔARP and ΔCRD are similar. Therefore the sides are in proportion:

\dfrac{AR}{CR}=\dfrac{PR}{DR}

We have:

AR = 10 + x

CR = x

PR = 15 + 42 = 57

DR = 42

Substitute:

\dfrac{10+x}{x}=\dfrac{57}{42}           <em>cross multiply</em>

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(42)(10)+(42)(x)=57x

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420=15x            <em>divide both sides by 15</em>

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6 0
3 years ago
Simplify each expression:<br> ( 5a^2b^3)(4ab^5)
DIA [1.3K]

Answer:

(22•5a3b4)

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

4ab • (5a2 • b3)

STEP

2

:

Multiplying exponential expressions :

2.1 a1 multiplied by a2 = a(1 + 2) = a3

Multiplying exponential expressions :

2.2 b1 multiplied by b3 = b(1 + 3) = b4

Final result :

(22•5a3b4)

5 0
2 years ago
Read 2 more answers
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