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Leona [35]
4 years ago
12

Write and expression for “the sum of d and 9”

Mathematics
2 answers:
Natali [406]4 years ago
5 0

Sum means to Add.

So the sum of d and 9 would be d + 9

garri49 [273]4 years ago
4 0

Sum = +

<h3>The Expression</h3>

d + 9

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HELP............Graph. y+1=1/3(x−3) (it has to have 2 points)
natta225 [31]
The intercept method of graphing is quick and easy.

Find the x-intercept by setting y = 0 and solving for x:

y+1=1/3(x−3)   =>   0<span>+1=1/3(x−3)
  Multiply both sides by 3:  3 = x - 3.  Then x = 6, and the x-int. is (6, 0).

Find the y-int by setting x = 0 and solving for y:

</span><span>y+1=1/3(0−3)
Mult both sides by 3:  3y+3 = -3, so that 3y = -6, and y = -2.
Then the y-intercept is (0,-2).

Plot these 2 points.  Then draw a line thru them.</span>
5 0
3 years ago
Factor completely: a^n+a^(n+1)<br> 100 Points!
zlopas [31]

Answer:

  • a^n\left(1+a\right)

Step-by-step explanation:

Considering the expression

a^n+a^{\left(n+1\right)}

Steps

a^n+a^{n+1}

\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c

a^n+a^1a^n

\mathrm{Factor\:out\:common\:term\:}a^n

a^n\left(1+a\right)

Therefore, factoring  a^n+a^{\left(n+1\right)} will bring a^n\left(1+a\right).

Keywords: factor, expression

Learn more factoring from brainly.com/question/11994028

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
Which best explains the relationship between the two triangles below? A. ΔADC ~ ΔRTS because ∠A ≅ ∠R, ∠C ≅ ∠S, and ∠D ≅ ∠T. B. Δ
KonstantinChe [14]

Answer:

A. ΔADC ~ ΔRTS because ∠A ≅ ∠R, ∠C ≅ ∠S, and ∠D ≅ ∠T

Step-by-step explanation:

The alternative itself answers the question. Just remember that two triangles are similar if the only difference is size.

∠DCA = 32.3º and ∠RTS = 51.2º

6 0
4 years ago
Rational numbers m and n are plotted on the number line.
sasho [114]

Answer:

n - m is positive

Step-by-step explanation:

Given

m and n on number line

Required

Which is true

From the attachment, we have:

n >m

n > 0 and m < 0

(a):\ n - m

Since: the above inequalities are true, then:

n - m > 0

(a) is true

<em>There is no need to test other options; since (a) is true</em>

4 0
3 years ago
can anyone explain this question please - What is the standard form of the following equation? y+3=1/4x Use integers for A, B, a
Vlad1618 [11]
Standard form is
ax+by=c
where a,b,c are integers

y+3=1/4x
timesboth sides by 4
4y+12=x
minus x both sides
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minus 12 both sides
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(I like x to be positive so)
times both sides by -1
1x-4y=12
a=1
b=-4
c=12
4 0
3 years ago
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