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astraxan [27]
2 years ago
10

Y=2x+40 and y=4x+20 when will these be equal

Mathematics
2 answers:
Eva8 [605]2 years ago
7 0

Answer:

x = 10

Step-by-step explanation:

2 (10) +40 = 60

4(10) +20 = 60

Lunna [17]2 years ago
3 0

Answer:

When x = 10, they will both be y = 60

(10, 60)

Step-by-step explanation:

2(10) + 40 = 60

4(10) + 20 = 60

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The product of two consecutive odd integers is 63. If x is the smallest of the integers, write an equation in terms of x that de
N76 [4]

9514 1404 393

Answer:

  • x(x+2) = 63
  • 7, 9
  • -9, -7

Step-by-step explanation:

If x is an odd integer, the next greater odd integer is x+2. The product is said to be 63, so the equation is ...

  x(x +2) = 63

__

The equation can be rewritten as ...

  (x +1)² = 64

  x = -1 ±√64 = -1 ±8

The positive solution is x=7, so the positive set of integers is {7, 9}.

The negative solution is x=-9, so the negative set of integers is {-9, -7}.

8 0
3 years ago
The figure shows a line graph and two shaded triangles that are similar:
bija089 [108]

Answer:

ok so id u go to this app {{mega .ogastry i put it right there

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Step-by-step explanation:

7 0
3 years ago
The sum of three numbers is 132 . the third number is 7 less than the first. the second number is 3 times the third. what are th
katovenus [111]
X+y+z = 132
x = 7+z
y = 3z

(7+z)+3z+z = 132
5z = 132-7
z = 125/5

z = 25 <=====

x = 7+z
x = 7 + 25
x = 39 <=====

y = 3z
y = 3 × 25
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hope it helps :)

8 0
4 years ago
Help please, will mark brainliest ​
mario62 [17]

Answer:

Step-by-step explanation:

LET ORANGES=X

PEARS ARE 3 TIMES =3X

LET CHILDREN=Y

IF WE GIVE 5 ORANGES PER CHILD WE NEED 5Y ORANGES.SO THIS =X

X=5Y........................I

IF WE GIVE 8 PEARS PER CHILD WE NEED 8Y PERARS...THERE ARE STILL 21 PEARS LEFT OUT AFTER THIS THAT IS

8Y+21=3X....................II

SUBSTITUTING FOR X FROM EQN.I..

8Y+21=3*5Y

15Y-8Y=21

7Y=21

Y=3

X==5Y=5*3=15..

SO CHILDREN =3

ORANGES=15

PEARS=3*15=45

THANKYOU AND PLEASE AMRK IT BRAINLIEST

8 0
3 years ago
A grocery store has 330 cans of soda if there are 10 cans of soda in a box how many boxes of soda does the grocery store have
Stella [2.4K]
33

Every box has ten cans of soda, so you need to know what number, that when multiplied by 10 gives you 330. 330 divided by 10 is 33.
8 0
3 years ago
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