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vitfil [10]
3 years ago
7

HELP!!! 98 POINTS!!!Evaluate the expression for x = 1.7. Enter your answer in the box. x2 + 3x

Mathematics
2 answers:
kifflom [539]3 years ago
5 0

Answer:

7.99

Step-by-step explanation:

x2 = x^2 I am assuming.

So,

x^2 + 3x = (1.7)^2 + 3(1.7) = 2.89 + 5.1 = 7.99

wolverine [178]3 years ago
3 0

Answer:

x^2+3x=(1.7)^2+3(1.7)=2.89+5.1=7.99

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PLEASE PLEASE HELP ME:(( I NEED WORKING AS WELL
mr Goodwill [35]

the equation of the line has form

y=kx+b

\left \{ {{5=k*0+b} \atop {9=k*2+b}} \right. \\b=5\\9=2k+5\\2k=4\\k=2, so

y=2x+5

The second line is parallel to the first and runs 7 units lower, so b=5

0=1k+5\\k=-5\\y=-5x+5

8 0
3 years ago
Combine like terms to create an equivalent expression. 7.4z−5(−1.6z+2.4)
ryzh [129]

Answer:   15.4z-12

Step-by-step explanation:

For this exercise it is important to remember:

  • The Distributive property:

       a(b\±c)=ab\±ac

  • The multiplication of signs:

        (+)(+)=+\\\\(-)(-)=+\\\\(-)(+)=-

Then, given the following expression:

7.4z−5(-1.6z+2.4)

You need to  apply the Distributive property. Then:

=7.4z+8z-12

Now you can combine like terms (or add the like terms). Then you get:

=15.4z-12

Therefore, the equivalent expression created by combining like terms, is:

 15.4z-12

6 0
3 years ago
Help me pls i need help im dumb i need help
AnnyKZ [126]
X<_ 6
X>_ 15

The answers look off because the app doesn't understand less than or equal to and greater than or equal to.
5 0
4 years ago
Somebody help thanks
slamgirl [31]
Really simple, All you have to do is find out how many meters are in a kilometer, which is 1000 meters, and then you have to multiply 1000 with 190 which is 190000. Hope i helped!
6 0
3 years ago
At the market, 2.4 pounds of peas cost 1.68 dollars. How much does one pound of peas cost?
babunello [35]
.7

because you need to get the original unit price which is 0.7 then multiply that by 1 and get your answer
6 0
4 years ago
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