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alexgriva [62]
2 years ago
9

Please solve in a big hurry!: will name the Brainliest!!!

Mathematics
2 answers:
trapecia [35]2 years ago
8 0

Answer:

B.

4x+9 = 2x-1

Step-by-step explanation:

dangina [55]2 years ago
7 0

Answer:

Third one

Step-by-step explanation:

nine more than four times a number:

4x+9

x is the "mystery number"

"is the same as" is just another way of saying "equals"

one less than twice the number ("the number" is just x):

2x-1

put them all together:

4x+9=2x-1

don't over look it; break it down

<3

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[(7+3)x5-4](divided by) 2+3<br> SHOW ALL WORK WILL MARK BRAINLIEST
Nesterboy [21]

Answer:

26

Step-by-step explanation:

[(7+3)5-4]/2+3

-To solve this equation you have to use PEMDAS

P- Parentheses

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction-

- With MD and AS you work left to right of the equation since they are in the same spot. (PE[MD][AS])

Step 1) [(10)5-4]/2+3

- First you do "P," parentheses, so you add 7+3=10

Step 2) [50-4]/2+3

- Next you do "M," multiplication, and multiply 10x5=50

Step 3) [46]/2+3

- Then you do "S," subtraction, and subtract 50-4=46

(FYI: Steps 1-3 were still in the parentheses. We had to start with the parentheses in the parentheses, work PEMDAS, and now we are out of the parentheses and have to work PEMDAS on the rest of the problem.)

Step 4) 23+3

- Now we do "D," division, and divide 46/2=23

Step 5) 23+3=6

- Finally we do "A," addition, and add 23+3=26 so the answer is 26

(FYI: "/" means division)

4 0
2 years ago
How do you turn 12/15 and 68/80 into a decimal and into a percent
Allisa [31]
\frac{12}{15}\\\\divide\ a\ numerator\ and\ a\ denominator\ by\ 3\\\\12:3=4;\ 15:3=5\\\\therefore\ \frac{12}{15}=\frac{4}{5}\\\\multiply\ a\ numerator\ and\ a\ denominator\ by\ 2\\\\4\cdot\ 2=8;\ 5\cdot2=10\\\\therefore\ \frac{12}{15}=\frac{4}{5}=\frac{8}{10}=\boxed{0.8}\Rightarrow0.8\cdot100\%=\boxed{80\%}



\frac{68}{80}\\\\divide\ a\ numerator\ and\ a\ denominator\ by\ 4\\\\68:4=17;\ 80:4=20\\\\therefore\ \frac{68}{80}=\frac{17}{20}\\\\multiply\ a\ numerator\ and\ a\ denominator\ by\ 5\\\\17\cdot\ 5=85;\ 20\cdot5=100\\\\therefore\ \frac{68}{80}=\frac{17}{20}=\frac{85}{100}=\boxed{0.85}\Rightarrow0.85\cdot100\%=\boxed{85\%}
7 0
2 years ago
Read 2 more answers
Janice lost a total of 24 points on her math test. Each question she answered incorrectly was a loss of 3 points. How many quest
NARA [144]

Answer:

let

tp=total points lost

l= points lost

q= question

tp=24

l= 3

if l= 3 and tp= 24 den q= tp÷l

24÷3=8

3 0
3 years ago
Read 2 more answers
5u-2u=..................................................
MAVERICK [17]
It will be 3u good luck
8 0
2 years ago
For a craft project, two equilateral triangles are taped together to create a quadrilateral. what is the quadrilateral? rhombus
pantera1 [17]
The answer is Rhombus because it is two equilateral triangles that can create a quadrilateral. A quadrilateral has exactly four sides and it is also a polygon. A rhombus has four equal sides and it is any parallelogram with equal sides including a square. A rhombus is like a diamond. In your question, the craft project that has a two equilateral triangle that tapes together and creates an equilateral, I picture it as a diamond and the diamond is including in the family of a rhombus. All side have equal length, opposite side is parallel and the other opposite angles are equal.
4 0
3 years ago
Read 2 more answers
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