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kolezko [41]
4 years ago
13

PLS HELP ME ASAP ON QUESTION 7!! (SHOW WORK!!) + LOTS OF POINTS!!

Mathematics
1 answer:
erik [133]4 years ago
7 0
Jeff

3/4 miles in 10 minutes
         times 6

9/2 miles in 1 hour

Barbara

13/16 mile in 15 minutes 
        times 4 
13/4 mile in 1 hour. As a result, Jeff is the faster walker and he will wake 5/4 more miles in 1 hour. Hope it help!
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HELPPPPPPPPPP MEEEEEE​
Leni [432]

Answer:

D. x ≥ -10

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

10 - 4x ≤ 50

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

  1. Subtract 10 on both sides:                      -4x ≤ 40
  2. Divide -4 on both sides:                          x ≥ -10

Here we see that any value <em>x</em> greater than or equal to -10 would be a solution to the inequality.

6 0
3 years ago
If the value of third order determinant is 11. Then what is the value of the determinant formed by its cofactors.
nordsb [41]

Answer:

146.41

Step-by-step explanation:

third order determinant = determinant of 3×3 matrix A

given ∣A∣=11

det (cofactor matrix of A) =set (transpare of cofactor amtrix of A) (transpare does not change the det)

=det(adjacent of A)

{det (cofactor matrix of A)}  ^2  = {det (adjacent of A)} ^2

 

(Using for an n×n det (cofactor matrix of A)=det (A)^n−1 )

we get

det (cofactor matrix of A)^2  = {det(A)  ^3−1 }^2

 

=(11)^2×2  = 11^4

 =146.41

5 0
3 years ago
M is between points c and q. CM=22 and CQ=39. What is MQ ?
Anna11 [10]
The answer for MQ is 17
3 0
3 years ago
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What is the measure of angle x?<br><br> m∠x = __ °
vagabundo [1.1K]
Angles in triangle=180
180-102-31=47
x=47
7 0
3 years ago
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How to turn 2.96 in to mixed number
alina1380 [7]
<span>2.96 = 2 96/100
=2 24/25</span>
8 0
3 years ago
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