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stepan [7]
3 years ago
8

Where would you insert parentheses to make the statement true?

Mathematics
2 answers:
9966 [12]3 years ago
8 0
Just around the 15 and 3. So it would be

(15-3)x4+9=57

This is because (15-3)= 12
12x4=48
48+9= 57
svet-max [94.6K]3 years ago
4 0
To make this problem true you would put the parenthesis around the 15-3.
(15-3) x 4 + 9 = 57
(12) x 4 + 9 =57
48 + 9 =57
57 =57
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a zoo charges an admission price of $85 for the first 12 members of a group and $6 for each additional member of the group. What
elena-14-01-66 [18.8K]

The largest group that can go to the zoo is 23 members

Step-by-step explanation:

The given is:

  • A zoo charges an admission price of $85 for the first 12 members of a group and $6 for each additional member of the group
  • We need to find the largest group that can go to the zoo and spend less than $155 on admission

Assume that the number of members in the group is x

∵ There are x members in the group

∵ The zoo charges an admission price of $85 for the first 12

   members of a group and $6 for each additional member

   of the group

- Take 12 members from x and multiply the rest members by

   6 and then add 85 to the product

∴ The group will spend = 6(x - 12) + 85

∵ The group wants to spend less than 155 to go to the zoo

- use the symbol < between the expression above and 155

∴ 6(x - 12) + 85 < 155

- Simplify the left hand side

∴ 6x - 72 + 85 < 155

- Add like terms in the left hand side

∴ 6x + 13 < 155

- Subtract 13 from both sides

∴ 6x < 142

- Divide both sides by 6

∴ x < 23.67

- Take the largest integer less than 23.67

∵ 23 is the largest integer less than 23.67

∴ The group has 23 members

The largest group that can go to the zoo is 23 members

Learn more:

You can learn more about the inequalities in brainly.com/question/1465430

#LearnwithBrainly

6 0
3 years ago
2 equivalent rations for 6/5 ? please help !!!
quester [9]
Answer: 12/10 and 24/20
Explanation if you simplify these fractions it’s becomes 6/5
7 0
3 years ago
(3a3 − 5b3) + _____ a3 + _____b3 = (a3 + b3).
Harlamova29_29 [7]
3a^3-5b^3+xa^3+yb^3=1a^3+1b^3
replace a^3 with z
replace b^3 with v (to make it easier to see)
3z-5v+xz+yv=z+v
3z+xz+yv-5v=1z+v

the terms match them
3z+xz=1z
divide both sides by z
3+x=1
minus 3
x=-2

yv-5v=1v
dividie both sides by v
y-5=1
addd 5 to both sides
y=6



(3a^3-5b^3)+ <u>-2</u> a^3 +<u>6</u> b^3=(a^3+b^3)

7 0
3 years ago
Whats the difference between word form and standard form and expanded form
Ratling [72]


word form is number with words and standard form is a number with words


4 0
3 years ago
Read 2 more answers
F(x) = x + 2
elena-s [515]
X^2-8 that would be the answer
5 0
3 years ago
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