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Tom [10]
3 years ago
7

Help me on math work please.

Mathematics
2 answers:
Katena32 [7]3 years ago
4 0

Answer:

5 months.

Step-by-step explanation:

75 + 20x = 35x

20x - 35x = -75

-15x = -75

x = 5 months.

Ber [7]3 years ago
4 0
After 5 months

After 5 months

After 5 months

After 5 months

After 5 months
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brian has reduced his cholesterol level by 6% after his last check up. if his original level was 180,what is his approximate cho
Vitek1552 [10]
His cholesterol level should be 169.20
6 0
3 years ago
Given the following sequence, find the 23rd term: 3, 5, 7, 9, 11, . . .
sashaice [31]

Answer:

B. 47

Step-by-step explanation:

The formula for an arithmetic sequence is

an = a1+d(n-1)

a1 =3   (it is the first term)

We can find the common difference by taking the second term and subtracting the first term

5-3 =2

d=2

n = the term number we are looking for

an = 3 + 2(n-1)

We are looking for the 23rd term so n=23

a23 = 3 +2(23-1)

      = 3 +2(22)

      = 3+44

      = 47

5 0
3 years ago
Read 2 more answers
What’s the answer to 9 and 10???
Zigmanuir [339]

Answer:

9. C. division

10. D. addition

Step-by-step explanation:

When solving for X the goal is to get it all by itself on one side of the equation and to do that you have to undo the operations already in effect on it.  In number 9 the x is multiplied by 3 so to undo that you would need to divide by 3 and that would cancel out leaving the x by itself.  Then you would need to divide by 3 on the other side of the equation also to keep it balenced.  In number 10 the X is connected to the 10 through subtraction so to cancel that out you would subtract 10 from both sides to get the X alone.

I hope this helps and please don't hesitate to ask if there is anything still unclear!

3 0
3 years ago
Read 2 more answers
Del enunciado: " De cada 2 conejos, hay 5 gallinas" ¿cuál es la razón entre gallinas y total de animales? *
Advocard [28]

Answer:

La razón entre el número de gallinas y el total de animales es: \frac{5}{7}

Step-by-step explanation:

La razón es una comparación entre dos magnitudes comparables.

En otras palabras, la razón es el cociente entre dos números o dos cantidades comparables entre sí, expresado como fracción.

En este caso, la cantidad total de animales es la suma de la cantidad de conejos y la cantidad de gallinas:

2 conejos + 5 gallinas= 7 animales

Entonces la razón entre el número de gallinas y el total de animales es: \frac{5}{7}

7 0
3 years ago
△ABC is reflected to form ​​ ​ △A'B'C' ​.
eduard

Answer:

Option A is correct

reflection across the x-axis

Step-by-step explanation:

The rule for reflection across x-axis is given by:

(x, y) \rightarrow (x, -y)

As per the statement:

The coordinate of triangle ABC are:

A(−4,−3) , B(−7,1) ​and C(−1,−1).

The coordinate of triangle A'B'C' are:

From the given diagram we have;

A'(-4, 3), B'(-7, -1) and C'(-1, 1)

Apply the rule of reflection across x-axis on ABC we have;

A(-4, -3) \rightarrow (-4, -(-3))=(-4, 3)=A'

B(-7,1) \rightarrow (-7, -1)=B'

C(-1,-1) \rightarrow (-1, -(-1))=(-1, 1)=C'

Therefore, the  reflection results in the transformation of ​ △ABC ​​ to ​ △A'B'C' is, reflection across the x-axis

8 0
3 years ago
Read 2 more answers
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