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vodka [1.7K]
3 years ago
11

Simplify 7(x - 2) - 4x + 9​

Mathematics
2 answers:
DaniilM [7]3 years ago
7 0
First, multiply. 7x-14-4x+9. Now, add the like terms. 3x-5.
dusya [7]3 years ago
6 0

Answer:

3x - 5

Step-by-step explanation:

Perform the indicated multiplication.  We get:

7x - 14 - 4x + 9.

Combining like terms, we get 3x - 5

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1. Given the equation ​ ​y​ = -3​x​ + 2.5
valentina_108 [34]

Answer:

a. when x=1 so substitute 1 to any X in the given equation.

y=-3(1)+2.5

y=-3+2.5

y=-0.5

b.when x is -1.5 so substitute -1.5 to any x in the equation

y=-3(-1.5)+2.5

y=-4.5+2.5

y=-2

4 0
3 years ago
In the figure, AB║CD and ∠EIA is congruent to ∠GJB Complete the following statements to prove that ∠IKL is congruent to ∠DLH.
REY [17]

Here it is given that AB || CD

< EIA = <GJB

Now

∠EIA ≅ ∠IKC and ∠GJB is ≅ ∠ JLD (Corresponding angles)

∠EIA  ≅ ∠GJB then ∠IKC ≅ ∠ JLD (Substitution Property of Congruency)

∠IKL + ∠IKC 180° and ∠DLH +  ∠JLD =180° (Linear Pair Theorem)

So

m∠IKL + m∠IKC = 180°       ....(1)

But ∠IKC  ≅ ∠JLD

m∠IKC = m∠JLD (SUBTRACTION PROPERTY OF CONGRUENCY)

So we have

m∠IKL + m∠JLD = 180°

∠IKL and ∠JLD are supplementary angles.

But ∠DLH and ∠JLD are supplementary angles.

∠IKL ≅ ∠DLH (CONGRUENT SUPPLEMENTS THEOREM)

5 0
3 years ago
Read 2 more answers
At 4 p.m., the temperature started to change drastically. Each hour, for three hours, the temperature decreased by 7°F. Which wo
GuDViN [60]
The word decreased indicates that a negative internet should be used
7 0
3 years ago
Tan (angle B) using an exact expression in trigonometric ratios in right triangles
goblinko [34]
The value of the tangent of an angle is the ratio (opposite side) / (adjacent side).

Here you see that the opposite side (opposite to Angle B) is of length 5 and the adj. side has length 12.

Thus, the tan of Angle B is 5/12.  (answer)

4 0
3 years ago
Please help me 
Whitepunk [10]
First solve your inequality step by step.

y+15<3

= y<-12

Answer is A. y<-12

Answer will help you.

Brainliest answer and Verified answers.
4 0
3 years ago
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