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Anon25 [30]
4 years ago
8

X-1.6=2.4+0.8x solve for x. What did I do wrong?

Mathematics
1 answer:
trapecia [35]4 years ago
3 0

\bf x-1.6=2.4+0.8x\implies \stackrel{\textit{subtracting 2.4}}{x-4=0.8x}\implies \stackrel{\textit{subtracting x}}{-4=0.8x-x} \\\\\\ -4=-0.2x\implies \cfrac{-4}{-0.2}=x\implies 20=x

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3 0
3 years ago
Please give the answer to all 3!! thank you for your help.
Verizon [17]

Answer

a) PQ = 50

b) PC = 18

PY = 27

c) ZC = 6

ZQ = 18

Explanation

Centroid is a point inside a triangle where all lines drawn from each vertex to the midpoints of opposite side intersect.

Part a

X is the midpoint of PQ. SoPX = XQ.

If PX = 25,

then PQ = 2PX

PQ = 2×25

PQ = 50

Part b

The centroid is alway two thirds away from the vertex.

Also PC = twice CY

PC = 2×9

PC = 18

So, if CY = 9, then PY = 3 × 9

PY = 27

Part c

(i) The centroid is alway two thirds away from the vertex.

If ZC = 12, then CZ =(1/2)QZ

CZ = (1/2) × 12

CZ = 6

(ii) The centroid is alway two thirds away from the vertex.

So, if CZ = 6, then QZ =3 CZ

QZ = 3×6

QZ = 18

7 0
3 years ago
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lesantik [10]

Answer:

∠ 1 = 20 x + 5

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44 x = 180 - 4

44 x = 176

x = 176 : 44

x = 4°

Your welcome again :)

Step-by-step explanation:

6 0
3 years ago
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6 0
3 years ago
One hose can fill a goldfish pond in 36 ​minutes, and two hoses can fill the same pond in 20 minutes. Find how long it takes the
rjkz [21]

Answer:

45 minutes

Step-by-step explanation:

It is given that one hose can fill a goldfish pond in 36 minute

So the the first hose can fill goldfish pond \frac{1}{36} per minute

When both fill together then they fill in 20 minutes

So the the both  hose can fill goldfish pond \frac{1}{20} per minute

Let Goldfish pond filled by second hose  \frac{1}{x} per minute

so \frac{1}{36}+\frac{1}{x}=\frac{1}{20}

\frac{1}{x}=\frac{1}{20}-\frac{1}{36}

x=45 minutes

5 0
4 years ago
Read 2 more answers
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