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Nitella [24]
3 years ago
15

What are compatible numbers for 12 and 21

Mathematics
1 answer:
Leni [432]3 years ago
6 0
Compatible number is 33
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Erik buys 2.5 pounds of cashews. If each pound of cashews costs $7.70, how much will he pay for the cashews?
Liula [17]

Answer:

$19.25

Step-by-step explanation:

2.5*7.7=19.25

6 0
3 years ago
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Solve ax + b = cx + d for x.
romanna [79]

Answer: X = (d-b) / (a-c)

This way this worded is weird but I think I got it

Step-by-step explanation:

Subtract B from both sides

ax = cx +d -b

Then subtract CX from both sides

ax -cx =d-b

Distributive Property

x(a-c) =d-b

Divide both sides by a-c

X = (d-b) / (a-c)

6 0
2 years ago
Drag a reason to each box to complete the proof.
Anna [14]

To start off with, DF=EG's reason is given, since you stated it was given.


Next, DE+EF = EF+FG's reason is because of the substitution property of equality. Think "if a = c, b = c, then a = b"


Lastly, DE = FG's reason is because of the Subtraction property of equality. If you subtract EF on one side, you must do it on the other side.

6 0
3 years ago
What is f(-3) for the function f(a). =-2ax2-5a+4
Nataly_w [17]

The value of function f(x). =-2ax² -5a + 4 at a = -3 will be -23a + 2.

<h3>What is a function?</h3>

The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.

For example y = sinx ,  y = x + 3 ets.

Given,

f(x)  = - 2ax² -5a + 4

x = -3

f(-3) =  - 2a(-3)² -5a + 4

f(-3) = -18a - 5a + 4

f(-3) = 23a + 2

Hence the value of function f(x). =-2ax² -5a + 4 at a = -3 will be -23a + 2.

For more about the function

brainly.com/question/23712366

#SPJ1

7 0
2 years ago
Read 2 more answers
Charlie is evaluating the product of 0.09 and 0.05. He multiplies, and before placing the decimal, arrives at an answer of 45. A
almond37 [142]
The answer is .0045 because you move the decimal place 4 times to the left.
6 0
3 years ago
Read 2 more answers
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