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3 years ago

Find the difference. 8 - 4 = 1

Mathematics

2 answers:

spin [16.1K]3 years ago

5 0

Answer:

8 - 4 =4

Step-by-step explanation:

Anvisha [2.4K]3 years ago

3 0

Eight minus four equals four!

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Could someone pls help me out? Thank u so much

vesna_86 [32]

Answer:

$25

Step-by-step explanation:

c=30−(0.25)(20)

c=30+(−5)

c=(30+(−5)

30-5

Combine Like Terms

c=25

8 0

3 years ago

4a/3-b/4=6 5a/6+b=13 Solve linear system by elimination

kondor19780726 [428]

$\bf \cfrac{4a}{3}-\cfrac{b}{4}=6
\qquad \qquad 
\cfrac{5a}{6}+b=13
\\\\\\
\textit{let us remove the denominators off those folks}\\
\textit{by multiplying the first one by 12, both sides}\\
\textit{and the second one by 6, both sides, thus}
\\\\\\
12\left( \cfrac{4a}{3}-\cfrac{b}{4} \right)=12(6)\implies 16a-4b=72
\\\\\\
6\left( \cfrac{5a}{6}+b \right)=6(13)\implies 5a+6b=78$

$\bf \textit{now, let's do the elimination}
\\\\

\begin{array}{llll}
16a-4b=72&\boxed{\times 3}\implies &48a-\underline{12b}=216\\\\
5a+6b=78&\boxed{\times 2}\implies &10a+\underline{12b}=156\\
&&--------\\
&&58a+0\quad=372
\end{array}$

solve for "a", once you get "a", plug it back into either equation to get "b"

3 0

3 years ago

(4x - 3) + (3x+9) Solve this!

dusya [7]

The answer for this problem would be 7x+6

Let's solve this problem step-by-step.

4x−3+3x+9

=4x+−3+3x+9

Step 1: Combine Like Terms.

=4x+−3+3x+9

=(4x+3x)+(−3+9)

So, the answer for this problem would be 7x+6.

8 0

3 years ago

Read 2 more answers

Solve the system by using a table. {-0.2x-0.3y=0.2 {0.4x-0.3y=1.4 a.)(2,2) b.) (2,-2) c.)(2,1) D.)(-2,2)

vitfil [10]

2, -2, 0.2, 1.4 <<<----- answer (2,-2)

5 0

3 years ago

What expression is equivalent to (5z2+32+2)?

erica [24]

Answer:

10z+34

Step-by-step explanation:

3 0

3 years ago