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ELEN [110]
3 years ago
13

PLEASE HELP I WILL GIVE BRAINLIEST TO RIGHT ANSWER

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0
1: 19 (4x+25=6x -13, solve for x, 25+13=6x-13, 38=2x, x=19, 4(19)+25=101 6(19)-13+101)

2: 23 (3x-8=2x+15)

3: Madison has $59 and Saul has $31 (together they have $90 so divided by 2 and you get 45, Madison has 6 dollars more so subtract 6 from Saul and ad 6 to Madison, make sure that when you ad them you get $90)

4 : 5 weeks ($3 each week, so you multiply 3x5 and get 15. 15+57=72 but the problem says more then so maybe it’s 6 weeks cause that’s $75)

5: 10 weeks (he has 1,800 and needs 2,150, subtract 1,800 from 2,150 for how much he needs. You get 350. He needs that and he makes 35 a week so that would be 350 divided by 35, which is 10)

6:20 miles (it’s 2.25 for that’s first mile. He spent 6.05 so subtract 2.25 from 6.05 and you get 3.80, 3.80 divided by 0.20 is 19, then you need to add that first mile and it’s 20)

7: 6 figures in a complete set (Charlie starts out with 2 and Patrick starts out with 20 individual figures. Charlie has 6 sets and Patrick has 3, i multiplied the number of sets they had by 6 then added their individual figures until they numbers matched up)

8: an orange has 45 calories and an apple has 75 calories (5x-150=3x, 5x-3x= -2x, -2x divided by -150 = 75, 75-30 is 45. 75 is the apple and because it’s 30 more you subtract 30 for orange)

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Please I need help with questions 3-5 and it’s very hard and I’m struggling with it and if you need to see the picture big then
topjm [15]
3.
m/_QOR + m/_ROS = 90 (because the two angels together make a right angle)

Substitute.

x + 5 + 2x + 7 = 90

3x + 12 = 90
-12 -12

subtract 12 from both sides

3x = 78

Divide each side by 3 to get x by itself

x = 26

4. those two angles in the picture are vertical, which means they're congruent.

with that in mind...the ray makes a right angle on one and the other, w, you dont know. so to get the whole angle you need to add both angles to get the whole thing so...

m/_w + 90 = 125

subtract 90 on both sides

m/_w = 35

4 0
3 years ago
Which of the following is equivalent to 3_-900 ?
pashok25 [27]
Do you still need help
4 0
3 years ago
Graph each quadratic function by transforming the graph of f(x)=x squared. Describe the transformation.​
prohojiy [21]

Answer:

The transformation was the function went up 5 units, right two units, and a vertical stretch of 2.

Step-by-step explanation:

7 0
3 years ago
Hi
MrMuchimi

Answer:

46.1km/h

Step-by-step explanation:

Use the average speed formula.

s=d/t

56 minutes = 0.933333 hours

s=43/0.933333

s=46.0714450255

5 0
4 years ago
I need this due by tonight what is 45+x=75
vladimir1956 [14]

Given: \textsf{45 + x = 75}

Need:  \textsf{The value of the unknown x}

Solution:  In order to solve for the unknown we must subtract 45 from both sides which would isolate x and given us the value.

<u>Subtract 45 from both sides</u>

  • \textsf{45 - 45 + x = 75 - 45}
  • \textsf{x = 75 - 45}
  • \textsf{x = 30}

After simplifying the expression we were able to determine that x is equal to 30.

4 0
2 years ago
Read 2 more answers
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