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My name is Ann [436]
3 years ago
12

HELP QUICK 10 POINTS

Mathematics
1 answer:
lesantik [10]3 years ago
5 0

I don't know how currency works in the UK but I can still solve it.

255 total coins

1/3 are £1 coins

255/3 = 85110 of the coins are 50pp

110*50pp

so we have 5,500pp <em>whatever this means</em>

£85

255 - 85 = 170

we have 170 coins left

170 - 110 = 60

<em>the last</em> 60 <em>coins are </em>20pp <em>coins</em>

60*20pp = 1,200pp

1,200pp + 5,500pp = 6,700pp

£85 + 6,700pp

<em>whatever this means</em>

<em />

<em>edit:</em>

85x £1 coins

110x 50pp coins

60x 20pp coins

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Write the equation of a line in slope-intercept form with a slope of −13 and a y-intercept of 4 .
frosja888 [35]

Answer:

y = -13x + 4

Step-by-step explanation:

You want to put it in the form y = mx + b where m is the slope and b is the y-intercept (For example, in the equation y = 2x + 3 the slope is 2 and the y-intercept is 3)

Since the slope is -13, m = -13.

Since the y-intercept is 4, b = 4.

This means the equation is y = -13x + 4

6 0
3 years ago
Read 2 more answers
Find the equivalent exponential expression. [(-4)^5]^3
Sunny_sXe [5.5K]

Answer:

-4^{15}

Step-by-step explanation:

Given expression:

\left[(-4)^5\right]^3

\textsf{Apply exponent rule} \quad (a^b)^c=a^{bc}:

\implies (-4)^{(5 \times 3)}

\implies (-4)^{15}

\textsf{Apply exponent rule} \quad (-a)^n=-a^n,\:\: \textsf{ if }n \textsf{ is odd}:

\implies -4^{15}

4 0
1 year ago
Vernon tossed a coin 20 times. The results were 8 head s and 12 tails. What is the experimental probability of tossing heads?
solmaris [256]

Answer:

2/5

Step-by-step explanation:

The experimental probability is

P (heads) = number of heads/ total tosses

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                 = 2/5

8 0
3 years ago
A box of cereal costs $3.49. How much do a dozen boxes of cereal cost?
antiseptic1488 [7]

Answer:

41.88

Step-by-step explanation:

3.49*12=41.88

7 0
2 years ago
Read 2 more answers
3x -4y= -20 -x +2y =10 whats the value of y
Anni [7]
3x-4y=10
-20-x+2y=10 then -30+2y=x now plug this in the other equation:
3(-30+2y)-4y=10
-90+6y-4y=10
2y=100
y=50
4 0
2 years ago
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