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kipiarov [429]
3 years ago
9

Tell whether 4/2 and 14/7 form a proportion

Mathematics
1 answer:
sergejj [24]3 years ago
3 0
Yes both of the two fraction are proportion
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Sam bought brushes for $8,a palette for $5,and oil paints for $15.He paid $29.82 in all.What sales-tax rate did Sam pay?
Darina [25.2K]

Sam Paid A Sales-Tax Rate Of 6.5%.

This Is Because 8+5+15=28 + 6.5%= 29.82

8 0
3 years ago
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Solve s=2(lw+lh+wh) for w
Scilla [17]

                                                                   s = 2(lw + lh + wh)

Divide each side by  2 :                            s/2 = lw + lh + wh

Subtract 'lh' from each side:                s/2 - lh = lw + wh

Combine the 'w' terms:                        s/2 - lh = w(l + h)

Divide each side by (l + h):  (s/2 - lh) / (l + h) = w

7 0
3 years ago
What is the answer please? ​
natka813 [3]

Answer:

omg that question is impossible to answer

5 0
3 years ago
Read 2 more answers
Which statement is true about the slope of the graphed line?
Sonbull [250]
B. the slope is positive because its in a straight line
4 0
3 years ago
In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. The side lengths o
ycow [4]

Answer:

A

Step-by-step explanation:

In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. This altitude divides the triangle into two right triangles ADC and BDC. In these triangles,

  • \angle CBD\cong \angle ACD\cong \angle CBA
  • \angle DCB\cong \angle DAC\cong \angle BAC

So,

\triangle ABC\sim \triangle CBD\sim \triangle ACD

1. From the similarity \triangle ABC\sim \triangle CBD, you have

\dfrac{AB}{BC}=\dfrac{BC}{BD}\\ \\\dfrac{c}{a}=\dfrac{a}{s}

2. From the similarity \triangle ABC\sim \triangle ACD, you have

\dfrac{AB}{AC}=\dfrac{AC}{AD}\\ \\\dfrac{c}{b}=\dfrac{b}{r}

Hence, option A is true

5 0
3 years ago
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