Answer:
you multiply the first the square Indian that will give you the essay equals in a square
4. Nicole sold 6 magazines for every 5 magazines Lauren sold
so ration magazines sold between Nicole to Lauren" 6:5
6 + 5 = 11
total 165 so 165/11 = 15
15 * 6 = 90
15 * 5 = 75
answer: Nicole sold 90
5.
a. 7:15 and 28:50
No, an equivalent ratio would be 7:15 and 28:60
6. new ratio of Honors to regular is 7:4.
If 77 in Honors then i would be 44 in regular
7* 11 = 77
4*11 = 44
7.
150 binders total
48 are red
150 - 48 = 102 are not red
ratio of red to not red
48:102 = 8:17
ratio not red to total
102:150 = 17:25
8.
6 girls in swimming club, 5 girls in art club, so ratio= 6:5
If 75 girls in art club, how many in swim club?
75/5 = 15
so 6*15 = 90
answer: there will be 90 girls in swim club
a. ratio blue to green chairs 7:8, if 252 blue, how many green
252/7 = 36
so 36 * 8 = 288 green chairs
answer: if 252 blue, will be 288 green chairs
Answer:
assuming you want to get rid of the radical here so, 25/2
Step-by-step explanation:
raise the whole fraction to the second power, and the radical will cancel out, then solve 5^2 which is 25. end up with 25 over 2
Answer:
13
Step-by-step explanation:
you're kidding, how do you not know this but I mean I'm here to help even if you're not the brightest
Answer:
Step-by-step explanation:
Let's solve your equation step-by-step.
−
3
x
2
+
7
x
=
−
5
Step 1: Subtract -5 from both sides.
−
3
x
2
+
7
x
−
(
−
5
)
=
−
5
−
(
−
5
)
−
3
x
2
+
7
x
+
5
=
0
For this equation: a=-3, b=7, c=5
−
3
x
2
+
7
x
+
5
=
0
Step 2: Use quadratic formula with a=-3, b=7, c=5.
x
=
−
b
±
b
2
−
4
a
c
2
a
x
=
−
(
7
)
±
(
7
)
2
−
4
(
−
3
)
(
5
)
2
(
−
3
)
x
=
−
7
±
109
−
6
x
=
7
6
+
−
1
6
109
or
x
=
7
6
+
1
6
109