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Reptile [31]
2 years ago
11

6x+7 X=3 Evaluate the expression

Mathematics
1 answer:
pogonyaev2 years ago
3 0
Plug the 3 in for x because x=3 so it’ll be 6(3)+7 and that equals 25
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There are 8 pencils in a package. How many packages will be needed for 28 children if each child gets 4 pencils?
lisov135 [29]
First, lets figure out how many pencils we will need. so we can do that by 4 pencils x 28 children and we get 112. Then if there are 8 pencils in a package, we divide 112 by 8 and get 14
4 0
3 years ago
Read 2 more answers
Evalute The Expression 2b+5=2
Snezhnost [94]

Answer:

b = -3/2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

2b + 5 = 2

<u>Step 2: Solve for </u><em><u>b</u></em>

  1. Subtract 5 on both sides:                    2b = -3
  2. Divide 2 on both sides:                        b = -3/2
7 0
2 years ago
Is ∆JKL ≅ ∆KJM ? Justify your answer below.
makkiz [27]

Answer:

Yes, the triangles are congruent by ASA

Step-by-step explanation:

we know that

If any two angles and the included side are the same in both triangles, then the triangles are congruent by Angle-Side-Angle (ASA)

In this problem

LK=MJ

∠KLJ=∠KMJ

∠LKJ=∠MJK

so

Two angles and the included side is equal in triangle JKL and triangle KJM

therefore

JKL≅KJM ----> by ASA

4 0
3 years ago
Read 2 more answers
Help!!!!! Solve the distance??
hram777 [196]

Answer:

531.4

Step-by-step explanation:

ED/AE=BC/AB

ED=AE*BC/AB

ED=240*620/280

ED=531.4

6 0
2 years ago
If Colorado spring, Colorado, has 1.2 times as many days of sunshine as Boston, Massachusetts, how many days of sunshine does ea
Crank
C= Colorado B= Boston
C + B = 464
C = 1.2B
Substitute the known value of C from the second equation into the first
C + B = 464
(1.2B) + B = 464
2.2B = 464
Divide each side by 2.2
B = 210.9, rounded to 211 (it's asking for days, not partial days, so round)
If Boston has 211 days of sunshine , then Colorado Springs has 1.2 times that amount. 211 * 1.2 = 253.2 (rounded to 253)
Verification
211 + 253 = 464
3 0
2 years ago
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