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lutik1710 [3]
3 years ago
6

Two whole numbers A and B satisfy the following conditions. Find A and B . A + B = 44. A : B is equivalent to 4 : 7

Mathematics
1 answer:
aksik [14]3 years ago
3 0
Hello there, multiply to each side of ratio until you get the answer, which in this case you have to multiply 4 to each side, therefore...
B= 28
A= 16.
Hope this helps!!

~Brainliest
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Determine the equation of the linear function that generates the following table of values.
Mashutka [201]

Answer:

y = -19x + 14

Step-by-step explanation:

For each increase of x by 1, y decreases by 19, giving us -19x. When x = 0, y = 14, therefore, y = -19x + 14

5 0
1 year ago
A piggy bank contains a total of 84 coins in nickels and quarters worth $12.80.
Kitty [74]

Let's make a system of equations to solve for this:

n + q = 84

0.05n + 0.25q = 12.80

where n = nickels and q = quarters.

---

Solve for n in the first equation by subtracting q from both sides.

n = 84 - q

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Plug n into the second equation.

0.05(84 - q) + 0.25q = 12.80

Distribute 0.05 inside the parentheses.

4.2 - 0.05q + 0.25q = 12.80

Combine like terms.

4.2 + 0.2q = 12.80

Subtract 4.2 from both sides.

0.2q = 8.6

Divide both sides by 0.2.

q = 43

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Plug 43 for q in the first equation.

n + (43) = 84

Subtract 43 from both sides.

n = 41

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There are 41 nickels and 43 quarters in the piggy bank. ✅

8 0
3 years ago
Which situation is best represented by the following equation? 45w + 123.95 = 753.95 A. Erica paid $753.95 for dance classes. Sh
Pani-rosa [81]

Answer:

It is A

Step-by-step explanation:

Because the variable is w and that would mean week so it is 45 every week

7 0
3 years ago
Please answer all of the 3. <br> PLEASE! And I’ll give you 5 stars and a Thanks?! :)
Ostrovityanka [42]

Answer:

7) 2((7x12) + (7x2) + (12x2)

2(84 + 14 + 24)

2(122)

<u>244</u>

8) 2((13x4) + (4x6) + (13x6))

2(52 + 24 + 78)

2(154)

<u>308</u>

9) 2((4x15) + (4x8) + (15x8))

2(60 + 32 + 120)

2(212)

<u>424</u>

Step-by-step explanation:

3 0
3 years ago
Identify the graph that has a vertex of (1,-1) and a leading coefficient of a=2.
soldi70 [24.7K]

<u>ANSWER</u>

f(x) = 2 ({x  - 1)}^{2} - 1

<u>EXPLANATION</u>

The vertex form of a parabola has equation:

f(x) = a ({x  - h)}^{2}  + k

where V(h,k) is the vertex of the parabola and 'a' is the leading coefficient.

From the question, we have that, the vertex is

(1,-1)

and the leading coefficient is

a= 2

We substitute the vertex and the leading coefficient into the vertex form to get:

f(x) = 2 ({x  - 1)}^{2}  +  - 1

We simplify to get:

f(x) = 2 ({x  - 1)}^{2} - 1

The graph of this function is shown in the attachment.

6 0
3 years ago
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