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3 years ago

Pls help me and thank youuu

Mathematics

2 answers:

Tems11 [23]3 years ago

6 0

Answer:

x=1

Step-by-step explanation:

2×7=14

2×2=4

4×1=4

14-4=10

nlexa [21]3 years ago

4 0

Answer:

x = 1

Step-by-step explanation:

14 -4x = 10

-4x = -4

x = 1

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Does the ratio 15/12 and 5/4 form a proportion?

Tanya [424]

Answer:

yes

Step-by-step explanation:

5 times 3 is 15 and 12 and 15 and 12 divided by 3 you will get 5/4

4 0

3 years ago

How many even 5-digit numbers can be formed from the numbers 1, 2, 4, 7, 8 if no digit is repeated in a number? A. 72 B. 120 C.

katovenus [111]

Hello,

Let's place the last digit: it must be 2 or 4 or 8 (3 possibilities)

It remainds 4 digits and the number of permutations fo 4 numbers is 4!=4*3*2*1=24

Thus there are 3*24=72 possibilities.

Answer A

If you do'nt believe run this programm

DIM n(5) AS INTEGER, i1 AS INTEGER, i2 AS INTEGER, i3 AS INTEGER, i4 AS INTEGER, i5 AS INTEGER, nb AS LONG, tot AS LONG
tot = 0
n(1) = 1
n(2) = 2
n(3) = 4
n(4) = 7
n(5) = 8
FOR i1 = 1 TO 5
 FOR i2 = 1 TO 5
 IF i2 <> i1 THEN
 FOR i3 = 1 TO 5
 IF i3 <> i2 AND i3 <> i1 THEN
 FOR i4 = 1 TO 5
 IF i4 <> i3 AND i4 <> i2 AND i4 <> i1 THEN
 FOR i5 = 1 TO 5
 IF i5 <> i4 AND i5 <> i3 AND i5 <> i2 AND i5 <> i1 THEN
 nb = ((((n(i1) * 10) + n(i2)) * 10 + n(i3)) * 10 + n(i4)) * 10 + n(i5)
 IF nb MOD 2 = 0 THEN
 tot = tot + 1
 END IF
 END IF
 NEXT i5
 END IF
 NEXT i4
 END IF
 NEXT i3
 END IF
 NEXT i2
NEXT i1
PRINT "tot="; tot
END

7 0

3 years ago

Hasil dari 37²-√576:√144 adalah

valina [46]

Answer:

Answer is 1345:12

Step-by-step explanation:

${37 }^{2} - \sqrt{576} = {37}^{2} - 24 \\ = 1345 \\ {37}^{2} - \sqrt{576} : \sqrt{144} = 1345:12$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

5 0

4 years ago

What is the abscissa of the midpoint of the line segment whose endpoints are (5√2,2√3) and (√2,2√3)

xxMikexx [17]

Let
A------> (5√2,2√3)
B------> (√2,2√3)

we know that
the abscissa and the ordinate are respectively the first and second coordinate of a point in a coordinate system
the abscissa is the coordinate x

step 1
find the midpoint
ABx------> midpoint AB in the coordinate x
ABy------> midpoint AB in the coordinate y

ABx=[5√2+√2]/2------> 6√2/2-----> 3√2
ABy=[2√3+2√3]/2------> 4√3/2-----> 2√3

the midpoint AB is (3√2,2√3)

the answer is
the abscissa of the midpoint of the line segment is 3√2

see the attached figure

3 0

3 years ago

Read 2 more answers

What is the length of BC? pls help

zheka24 [161]

It’s an isosceles triangle, so those two sides are equal:

3x-15=x+33
2x=48
x=24, so BC should be 24.

3 0

3 years ago