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dimulka [17.4K]
3 years ago
10

Help me with mathhs .

Mathematics
2 answers:
jeka57 [31]3 years ago
3 0

Step-by-step explanation:

a-b

a=1/4

b= -2,15 -215/100 semplification -43/20

1/4-(-43/20)

1/4+43/20 minimum comune multiple

5+43/20=

48/20=12/5

Anna71 [15]3 years ago
3 0

Answer:

3.4

\frac{17}{5}

3\frac{2}{5}

Step-by-step explanation:

a-b=1\frac{1}{4}-(-2.15)

=\frac{5}{4} +2.15

=1.25+2.15

=3.4

In fraction

3.4=\frac{34}{10} =\frac{17}{5}

mixed number

\frac{17}{5} =3\frac{2}{5}

I hope this help you

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joe scored less than four times the amount of baskets peter scored. How many did they each score if l together they scored 32 ba
slava [35]

Let us assume the amount of baskets Joe scored = x baskets.

4 times of x is 4x.

4x+x = 5x.

Therefore, Peter scored = 5x.

Together they scored = 32 baskets.

Sum of Peter score and Joe score = 32.

x+5x = 32.

6x = 32.

Dividing both sides by 6, we get

x = 32/6

= 16/3.

x= 16/3.

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3 years ago
At an animal shelter,there are 15 dogs,12 cats 3 snakes, and 5 parakeets what percent of the number of cats is the number of sna
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What is the value of the expression below if y = 5?<br> 35 = (y + 2) + 4
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Factor quadratic equation 6x.squared +41x + 63 = 0
vlabodo [156]

Answer:

x1= -9/2 ; x2= -7/3

Step-by-step explanation:

Rewrite to 6x^2 + 27x +14x +63 = 0

Factor and get 3x(2x + 9) + 7(2x + 9) = 0

Factor again and get (2x + 9)(3x + 7) = 0

Separate into possible cases -> 2x + 9 = 0; 3x + 7 = 0

The equation has two solutions: x1 = -9/2 and x2 = -7/3

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