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Alona [7]
3 years ago
9

The sum of a number and 6

Mathematics
1 answer:
Allisa [31]3 years ago
5 0
“the sum of” just tells you you’re dealing with addition, so “a number” we don’t know can be expressed by x. The answer is x + 6
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write the equation of the line passing through the point (1,4) with a slope of 2? Use x=1,y=2 and m=2 to find b in y=mx+b
melisa1 [442]
I hope this helps you



m=2 x=1 y=4



4=2.1+b


b=2



y=2.x+2
8 0
3 years ago
What are the coordinates of the vertex if the focus is at (5, 1) and the directrix is at y = -5?
gtnhenbr [62]

Answer:

x = 5. I dont know if this is what your looking for but good luck.

Step-by-step explanation:

I got this question too and x = 5 was correct

5 0
3 years ago
A toy store orders jigsaw puzzles for $3.05 and sells them for $4.95. What is the percent of markup? Round your answer to the ne
Novay_Z [31]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

the percent of markup <span> 62.3% 

</span>$3.05 -> $4.95 

<span>Difference = $1.90 </span>
<span>Percentage of increase = 1.90/3.05 = Approximately 0.6229 = 62.3% = D </span>
5 0
3 years ago
PLEASE HELP!!! 20 POINTS!!!! WILL MARK YOU BRAINIEST!!! Two isosceles triangles share the same base. Prove that the medians to t
katovenus [111]

Answer:

Given: Two Isosceles triangle ABC and Δ PBC having same base BC. AD is the median of Δ ABC and PD is the median of Δ PBC.

To prove: Point A,D,P are collinear.

Proof:

→Case 1.  When vertices A and P are opposite side of Base BC.

In Δ ABD and Δ ACD

AB= AC   [Given]

AD is common.

BD=DC  [median of a triangle divides the side in two equal parts]

Δ ABD ≅Δ ACD [SSS]

∠1=∠2 [CPCT].........................(1)

Similarly, Δ PBD ≅ Δ PCD [By SSS]

∠ 3 = ∠4 [CPCT].................(2)

But,  ∠1+∠2+ ∠ 3 + ∠4 =360° [At a point angle formed is 360°]

2 ∠2 + 2∠ 4=360° [using (1) and (2)]

∠2 + ∠ 4=180°

But ,∠2 and ∠ 4 forms a linear pair i.e Point D is common point of intersection of median AD and PD of ΔABC and ΔPBC respectively.

So, point A, D, P lies on a line.

CASE 2.

When ΔABC and ΔPBC lie on same side of Base BC.

In ΔPBD and ΔPCD

PB=PC[given]

PD is common.

BD =DC [Median of a triangle divides the side in two equal parts]

ΔPBD ≅ ΔPCD  [SSS]

∠PDB=∠PDC [CPCT]

Similarly, By proving ΔADB≅ΔADC we will get,  ∠ADB=∠ADC[CPCT]

As PD and AD are medians to same base BC of ΔPBC and ΔABC.

∴ P,A,D lie on a line i.e they are collinear.

6 0
2 years ago
Write 9/20 as a decimal
Oksanka [162]

Answer:

0.45

Step-by-step explanation:

Divide 9 by 20.

6 0
3 years ago
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