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topjm [15]
3 years ago
11

If 7 + 3x = 22, then 2x =

Mathematics
1 answer:
ELEN [110]3 years ago
4 0
7+3x=22\ \ \ /-7\\3x=15\ \ \ /:3\\x=5\\\\\\2x=2\cdot5=10
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Oi I NEED HELP PLS 20 POINTS
Cloud [144]

Answer:

f = -\frac{5}{3}

Step-by-step explanation:

Multiply both sides of the equation by -\frac{4}{3}

f = -4/3 * 5/4

Simplify both sides of the equation.

f = -\frac{5}{3}

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4 0
3 years ago
Express the fraction in simplest form. <br> 9/12<br><br> a.2/3<br> b.3/4<br> c.12/16<br> d.10/13
nexus9112 [7]
\dfrac{9}{12}=\dfrac{9:3}{12:3}=\dfrac{3}{4}


Answer:\ \boxed{b.\ \dfrac{3}{4}}
8 0
4 years ago
Priscilla built a cabanet shaped like a rectangular prism the lenght of the base is 9 inchesand the width is 40 inches what is t
Tomtit [17]

Answer:

360in²

Step-by-step explanation:

From the question,

L= Length = 9in

W= Width = 40in

Since, the base of rectangular prism is the same with Area of a rectangle. Then,

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Then, Area of the base =( Lenght × Width)= ( 9 × 40)

= 360in²

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6 0
3 years ago
I need help with this question factoring trinomial (factor more then once) D.O.T.S, GCF
Varvara68 [4.7K]
See attached picture for the answer:

8 0
3 years ago
If tan0 = 4/11, then what will tan(90- 0) be? Please show work
UNO [17]

Answer:

11/4

Step-by-step explanation:

tan(90-x)=cot(x) by cofunction identity

tan(90-x) is therefore the reciprocal value of tan(x) since tan(x) is the reciprocal of cot(x) or vice versa.

tan(90-x)=11/4 since tan(x)=4/11

4 0
3 years ago
Read 2 more answers
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