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Illusion [34]
3 years ago
15

What is the first step in solving 14+2x-3=43

Mathematics
2 answers:
lana66690 [7]3 years ago
6 0
Addition is the first step
d1i1m1o1n [39]3 years ago
4 0
Can you help me with my last post
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Need some math help!
krok68 [10]

This is a right triangle, the measure of angle A is 90 degrees.

First thing to do I guess is finding B and C.

tan^-1 (7/12) = 30 degrees

tan^-1 (12/7) = 60 degrees

60 + 30 = 90

180 - 90 = 90. Therefore angle A = 90 degrees

5 0
4 years ago
Read 2 more answers
Which equation demonstrates the distributive property?
iragen [17]

do you want me to explain what the distributive property is????

i'm confused-

3 0
3 years ago
Read 2 more answers
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange.
likoan [24]
Weight of an grapefruit=weight of an orange+8% weight of an orange
weight of an apple=weight of an orange -10% weight of an orange

a.<span>By what percentage is the grapefruit heavier than the apple?
We should find the connection between grapefruit and an apple. We know the connection between the weight of a grapefruit and an orange, we know the connection between an orange and an apple, so this means we know the connection between a grapefruit and an apple.
</span>
weight of an grapefruit=weight of an <span>orange+8% weight of an orange
</span>weight of an orange=weight of an apple<span> +10% weight of an apple
</span>
-> weight of an grapefruit=weight of an apple+10% weight of an apple + 8%(weight of an apple+10% weight of an apple)= weight of an apple + 18% weight of an apple + 2% weight of an apple= <span>weight of an apple + 20% weight of an apple 

</span><span>b.By what percentage is the apple lighter than the grapefruit?
</span>weight of an grapefruit=weight of an apple + 20% weight of an apple<span> 
</span>
-> The apple ts 20% lighter than the grapefruit.
8 0
3 years ago
Read 2 more answers
Terence baked 6 mango pudding and shared it equally with children. Each child received 5/6 of the pudding. a) How many children
Artyom0805 [142]
Well, we would first have to write an equation. Let's start with letter (a). We will put in the variable (x) for the number of children there were, because we don't know how many there were. So... IF we knew how many children there were, what would we do to find out how much pie each child got? Of course, we would divide! Soooo....
6 (mangos) divided by x (the number of children) = 5/6
Now, we solve for x!

So, our first step in the equation 6/x=5/6 would be to multiply, because multiplication is the opposite of division! So, just let me see if I can work this.....
6/x(×)5/6
So, we now can cross multiply and get...
5x=36 (Because 5 time x is 5x and 6 times 6 is 36)
Now, we divide!
So, 5x/5 cancels out and we get just plain little x. 36/5 gives us.....
Improper Fraction Form: 36
Mixed Number Form: 7 1/5
Decimal Form: 7.2

And that's your answer! I really hope this helps! ^_^
3 0
3 years ago
Read 2 more answers
theo bought 4 hot dogs and 3 sodas for $6.55. At the same concession stand, vicky bought 2 hot dogs and 5 sodas for $4.85. What
madam [21]
Let the price of a hot dog be h and price os a soda be s dollars. Then we have:-

4h + 3s = 6.55.......................(1)
2h + 5s = 4.85    multiply this equation by -2:-
-4h -10s = -9.70......................(2)

Adding (1) and (2):-

-7s =  -3.15
s = -3.15 / -7 =  0.45

So $0.45 is the price of a soda
To find price of a hot doe plug s = 0.45 into equation (1):-

4h = 3(0.45) = 6.55
4h =  6.55-1.35 = 5.20

h = 5.20 / 4 =  $1.30

The answer is  price hot dog = $1.30
6 0
3 years ago
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