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devlian [24]
2 years ago
12

7x – 5 – 3x = 7 – 6x solve for x

Mathematics
1 answer:
PolarNik [594]2 years ago
3 0

Step-by-step explanation:

7x - 3x=5 + 7

we will plus --

10x =12

x=12÷10 or 10 /12

x=12.2

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What is the distance (in units) between points C and D? Round to the nearest hundredth.
daser333 [38]

Answer:

b. 5.66

Step-by-step explanation:

Use pyramtherm theorem.

4^2+ 4^2= c^2

16+16=c^2

32=c^2

Sqaure root of 32= 5.65

Rounding up is 5.66

8 0
3 years ago
Read 2 more answers
!!WILL MARK BRAINLIEST!!!<br> plz help its due today!!
kirill115 [55]

Answer:

3 units right 1 unit up

Step-by-step explanation:

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8 0
2 years ago
150 students were surveyed on how many text messages to send in a date for different devices. let X represent the number of stud
kakasveta [241]

Given that the total number of students that sent messages = 150 students

a) To obtain the equation to represent the number of students who send text messages, we will sum up the variables in the Venn diagram and equate it to 150.

\begin{gathered} 75+x+3x+x=150 \\ x+3x+x=150-75 \\ 5x=75 \end{gathered}

Hence, the equation is

5x=75

b) Solving for x

\begin{gathered} 5x=75 \\ x=\frac{75}{5}=15 \\ \therefore x=15 \end{gathered}

Therefore, x = 15.

c) The total number of student that uses cell phone = 75 + x = 75 + 15= 90students

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The formula for probability is,

\text{Probability = }\frac{\text{Number of students that uses cell phone}}{\text{Total number of students}}

Hence,

P(\text{Number of students that uses cell phone)}=\frac{90}{150}=\frac{3}{5}

Therefore, the probability that a randomly chosen student uses their cell phone to send text messages ​is 3/5.

7 0
1 year ago
Which shows all of the solutions of the equation? h e l p
dalvyx [7]
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4 0
3 years ago
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Harrizon [31]
Use the formula, l•w (length times width)
The length is 97 and the width is 14
97•14=1358
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3 years ago
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