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-BARSIC- [3]
3 years ago
11

I just need to know if I did these two problems right or not because I just learned this in class today.

Mathematics
1 answer:
Serggg [28]3 years ago
5 0
Hahah yea you did man! <3 

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Two brothers shared the coins in a piggy bank. Alan received 140 coins. When he gave 48 coins to his brother, the number of his
Musya8 [376]
Assume Alan's brother has x coins before Alan gave him 48 coins
x+48=1.4x (increased by 40%)
0.4x=48
x=120
120+140=260
answer is 260 coins
5 0
3 years ago
Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction
tiny-mole [99]
\frac{7}{24} ÷ \frac{35}{48}
Multiply \frac{7}{24} by the reciprocal of \frac{35}{48}, which is \frac{48}{35}

=\frac{7}{24} × \frac{48}{35}
=\frac{336}{840}

We can simplify it further:
The greatest common factor here is 168
\frac{336/168}{840/168}

=\frac{2}{5}
4 0
3 years ago
Hello there ^ _ ^ <br><br> Can you help me please ? Please explain how you find the answer. Thanks!
ziro4ka [17]
It's C because for the perpendicular line, you need to construct cross points to draw it through.

- you start by drawing a random circle with F as the center, just as long as it intersects line DE
- Then you use the intersections of that circle to draw new circles starting at F.
- These new circles intersect at F and another point below DE.
- You draw the perpendicular line through F and the other point.
8 0
3 years ago
Two consecutive perfect squares have a difference of $99$. what is the value of the larger perfect square?
Fofino [41]

Answer:

2500

Step-by-step explanation:

Let the first square number be x^2 then the next square number is (x+1)^2.

The difference between these two consecutive numbers is 99.

This implies that:

(x+1)^2-x^2=99

We expand to get:

x^2+2x+1-x^2=99

Simplify:

2x=99-1

2x=98

Divide both sides by 2

x=49

Therefore the value of the larger perfect number is

(49+1)^2=50^2=2500.

6 0
3 years ago
X2 + 5x - 14 Select one of the factors of the quadratic expression.
vfiekz [6]
The equation factored would be (x+7)(x-2). As 7-2=5 and (7)(2)=14.
3 0
3 years ago
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