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Daniel [21]
3 years ago
9

EMERGENCY!! please answer!!

Mathematics
1 answer:
notsponge [240]3 years ago
7 0
I just need some points so I can ask a question but I hope you find your answer!
You might be interested in
AFLATI 2 NUMERE STIIND CA AL DOILEA NUMAR ESTE DE 7 ORI MAI MARE DECITPRIMUL IAR SUMA DINTRE DUBLUL PRIMULUI NUMAR SI TRIPLUL CE
postnew [5]

Answer:

The numbers are 20 and 140

Step-by-step explanation:

<u><em>The question in English is</em></u>

Find 2 numbers knowing that the second number is 7 times greater than the first, and the sum between the double of the first number and the triple of the second is 460

Define the variables

Let

x ----> the first number

y ----> the second number

we know that

y=7x -----> equation A

2x+3y=460 ----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B

2x+3(7x)=460

solve for x

2x+21x=460

23x=460

x=20

<em>Find the value of y</em>

y=7x  ----> y=7(20)=140

The numbers are 20 and 140

6 0
3 years ago
Y=x^2-4x-1 in vertex form
belka [17]
The answer is Y= (x-2)^2-5

8 0
2 years ago
Someone pls pls pls help ASAP <br> I’ll give brainliest I promise just pls help me
Brums [2.3K]

Answer:

Answer attached below.

8 0
2 years ago
PLEASE HELP :(((((((((((((((((
Goshia [24]

Answer:

okay so you multiply the price of the snakes by how much he bought which is $5.00 so you can subtract $5 - $8 and you get $3.00 so that is how much is left over. Now you want to divide $3.00 by 2 and now you get $1.50. So each soda costed $1.50

5 0
3 years ago
Read 2 more answers
Which number sentence is true? O A) 2.3 x 102 &gt; 2000 OB) 3.45 &gt; 1-4.35| OC) 345 &gt; 5:33 825 OD 13​
OLEGan [10]

Answer:

D) -2.14< root10 <|-2.8|

Step-by-step explanation:

the value for -2.14 is as plain as you can see, the negative version of 2.14.

The square root of 10 is 3.16227766.

The lines next to -2.8 is asking for the absolute value of -2.8, or the distance between that number and zero. The distance between -2.8 and 0 is positive 2.8, because distance can't be negative.

The 3 numbers taken from the explanations are -2.14, 3.16, and 2.8. Ranking them from least to greatest would give you -2.14, 2.8, 3.16, or -2.14< root10 <|-2.8|

7 0
3 years ago
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