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postnew [5]
3 years ago
7

Which answer is it.​

Mathematics
1 answer:
natita [175]3 years ago
5 0

Answer:

4

Step-by-step explanation:

10 dimes = 1 dollar

4 nickels = 20 cents

10 dimes + 4 nickels = 1.20

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An aquarium at a pet store has 18 Black Neon Tetra fish in it . A customer buys 12 Black neon Tetra Fish at the same time the st
dangina [55]

18-12+7

 6 + 7

13

Write an equation.

Subtract first- the customer buys 12 black neon tetra fish which means subtraction

addition- the store clerk puts in 7 more black neon tetra fish which means your gonna add 7




8 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through (-2, 2) and (1, -4)?
poizon [28]

Answer:

y = - 2x - 2

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁  = (- 2, 2) and (x₂, y₂ ) = (1, - 4)

m = \frac{-4-2}{1+2} = \frac{-6}{3} = - 2, thus

y = - 2x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 2, 2), then

2 = 4 + c ⇒ c = 2 - 4 = - 2

y = - 2x - 2 ← equation of line

3 0
3 years ago
Find the value of x in the triangle shown below.
MrMuchimi

Answer: 102 degrees

Step-by-step explanation:

This is an isosceles triangle because two of the sides are the same length which means that two angles are congruent as well.

180-(2(39))

=180-(78)

=102

5 0
3 years ago
Which sampling would be appropriate to survey 120,000 people?
kipiarov [429]

Answer: Id say b

Step-by-step explanation: a would be too high and a bit too detailed. Whereas c and d will be inaccurate.

8 0
3 years ago
How am i supposed to solve this ?
Rama09 [41]

Answer:

Step-by-step explanation: so first you got to distribute the on both sides so like the 2 and the ten from there you just eliminate and do it like normal. I’m sorry I’m bad at at explaining it but I hoped it helped some how :)

4 0
3 years ago
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