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Tom [10]
3 years ago
10

Need help ASAP please

Mathematics
1 answer:
Shalnov [3]3 years ago
4 0

Answer:

x equals 9

Step-by-step explanation:

90 - 41 =49

49 - 22 = 27

27 ÷ 3 = 9

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Student Produced Response - Calculator
faltersainse [42]

Answer:

\dfrac{a}{b}=0.75.

Step-by-step explanation:

If two equations a_1x+b_1y+c_1=0 and a_2x+b_2y+c_2=0 has infinitely many solutions, then

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}

The given equations are

ax+by=10

3x+4y=20

It is given that the above system of equations has infinitely many solutions. So,

\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{10}{20}

\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{1}{2}

Now,

\dfrac{a}{3}=\dfrac{1}{2} and \dfrac{b}{4}=\dfrac{1}{2}

a=\dfrac{3}{2} and b=\dfrac{4}{2}

a=1.5 and b=2

So, a=1.5 and b=2.

Now,

\dfrac{a}{b}=\dfrac{1.5}{2}=0.75

Therefore, \dfrac{a}{b}=0.75.

5 0
3 years ago
247 is 38% of what anount?
xenn [34]
93.86 is your answer.
I hope this helps!
3 0
3 years ago
Read 2 more answers
Express the probability that a die wil land on a number less than 5 as a fraction
Rashid [163]

Answer:

\frac{2}{3}

Step-by-step explanation:

Values less than 5 on a die are 1, 2, 3, 4 ← 4 values out of a possible 6

P( < 5) = \frac{4}{6} = \frac{2}{3} in simplest form


7 0
3 years ago
What is 8+w/4 when w =16
saw5 [17]

Answer:

12

Step-by-step explanation:

8+w/4, when w=16

8+16/4

8+4=12

4 0
3 years ago
Read 2 more answers
A farmer recently sold a large plot of land. The sale decreased his total acreage by 10%.
ivanzaharov [21]

Answer: t - 0.1t and 0.9t

Step-by-step explanation:

Let the original acreage be represented by t.

Since there was a sale which ended up reducing the acreage by 10%, the expression for the new acreage will be:

= t - (10% × t)

= t - (0.1 × t)

= t - 0.1t

= 0.9t

Therefore, the equivalent expressions will be "t - 0.1t" and 0.9t

8 0
3 years ago
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