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Andrews [41]
3 years ago
14

Chris surveyed the sixth grade at his school and found that 20% of the students walk to school. If 60 students walk to school, t

hen how many students are in the 6th grade?​
Mathematics
2 answers:
notsponge [240]3 years ago
6 0

Answer:

simple answer <u>30</u><u>0</u>

Step-by-step explanation:

20%=60 students. 100%/20%=5. 60*5=300 students

telo118 [61]3 years ago
4 0

\huge \mathfrak{ Answer :  - }

60 <u>students</u> walk to school, which is 20 % of the <u>total students</u> studying there,

so, let the the total number of students be " x "

now, we know

=》

20  \% \:  \: of \: \:  x = 60

=》

\dfrac{20}{100}  \times x = 60

=》

\dfrac{1}{5}  \times x = 60

=》

x = 60 \times 5

=》

x = 300

hence, the total number of students :

x = 300

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Answer:

I think it is f-180+d I did this problem and I got this answer but if not correct I a. sorry

5 0
2 years ago
What equation is equivalent to 9x - 3 = 729? 9x - 3 = 981 9x - 3 = 93 3x - 3 = 36 32x - 3 = 36
lilavasa [31]

Answer:

Option 2nd is correct

9^x-3 =9^3

Step-by-step explanation:

Given the equation:

9^x-3 = 729

We can write 729 as

729 = 9 \cdot 9 \cdot 9 = 9^3

then;

9^x-3 =9^3

Therefore, the equation which is equivalent to 9^x-3 = 729 is, 9^x-3 =9^3

4 0
3 years ago
Read 2 more answers
Solve for x. 3x= -2x+30 A. x = 0 B. x = 5 C. x = 6 D. x = 8
soldier1979 [14.2K]

x  =  6  ,  5 ,  −  3 IS THE ANSWER

6 0
3 years ago
Find the value of X in each of the given triangles.​
pychu [463]

Answer:

x = 24

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

<u>Geometry</u>

  • All angles in a triangle add up to 180°

Step-by-step explanation:

<u>Step 1: Set Up Equation</u>

3x + 2x + 60° = 180°

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

  1. Combine like terms:                    5x + 60 = 180
  2. Isolate <em>x </em>term:                              5x = 120
  3. Isolate <em>x</em>:                                       x = 24
8 0
3 years ago
Han wrote a proof that triangle BCD is congruent to triangle DAB. Han's proof is incomplete. Which step is missing some informat
Ede4ka [16]

Answer:

The answer is below

Step-by-step explanation:

From the image, we can see that DC is parallel to AB.

Step 1:

Alternate interior angles are angles formed at the inner corners of intersection on opposite sides of transversal when two parallel lines are intersected by a transversal.

Since Line AB is parallel to line DC and cut by transversal DB. So angles CDB and ABD are alternate interior angles and must be congruent.

Step 2:

DB ≅ BD (reflexive property of congruence)

Step 3:

∠A = ∠C = 90° (right angles, given). But to prove that both triangles are congruent, the correct step 3 is:

Since, ∠A = ∠C = 90° and angles CDB and ABD are congruent. This means that the third angles in the both triangles are also congruent. Hence, angle ADB and CBD are must be congruent.

Step 4:

BD = DB, angles CDB and ABD  are congruent, angle ADB and CBD are congruent.

Therefore,  By the Angle-Side-Angle Triangle Congruence Theorem, triangle BCD is congruent to triangle DAB .

4 0
3 years ago
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