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2 years ago

What is 4\7 plus 1 1\3

2 answers:

maks197457 [2]2 years ago

7 0

The answer is 40/21 or 1 19/21 as a mixed number .
4/7+1 1/3=
1 1/3=4/3
4/7+4/3=
4/7 times 3/3= 12/21
4/3 times 7/7= 28/21
The common denominator is 21 , I multiplied the fractions by 3 and by 7 because 3 times 7= 21 and 7 times 3=21.
Answer: 40/21

Alika [10]2 years ago

3 0

You would get 89/21 and then for a mixed number 4& 5/21

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What times what equals 54

KonstantinChe [14]

1x54=54
2x27=54
3x18=54
6x9=54

8 0

3 years ago

p varies jointly as q and the square of r, and p = 200 when q = 2 and r = 3. Find p when q = 5 and r= 2.

Margarita [4]

Step-by-step explanation:

If a variables varies jointly, we can just divide it by the other variables in relation to it.

For example, since p variables jointly as q and square of r, then

$\frac{p}{q {r}^{2} } = k$

where k is a constant

First, let find k. Substitute p= 200

q= 2, and r=3.

$\frac{200}{2(3) {}^{2} } = k$

$\frac{200}{18} = k$

$\frac{100}{9} = k$

Now, since we know our constant, let find p.

$\frac{p}{q {r}^{2} } = \frac{100}{9}$

Q is 5, and r is 2.

$\frac{p}{5( {2}^{2}) } = \frac{100}{9}$

$\frac{p}{20} = \frac{100}{9}$

$p = \frac{2000}{9}$

3 0

1 year ago

How many unique triangles can be made with 3,5,8

blondinia [14]

Answer

2 or 3

Step-by-step explanation:

3 0

3 years ago

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Factor as the product of two binomials x^2+3x+2

zhuklara [117]

Answer:

x^2+3x+2 = (x+1)(x+2)

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3 years ago

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(Right angle Trigonometry) help me solve for X please!

Vinvika [58]

Answer:

x = 52.0

Step-by-step explanation:

Reference angle = 68°

Length of side Opposite to reference angle = x

Adjacent length = 21

Apply the trigonometric function, TOA, which is given as:

Tan 68° = Opp/Adj

Substitute

Tan 68° = x/21

21 × Tan 68° = x

51.9768238 = x

x = 51.9768238 ≈ 52.0 (approximated to nearest tenth)

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3 years ago