Help I can’t figure it out

Answers

Answer 1

Answer: 25 salads were sold, as 5 salads w the were sold in the Caesar salad group, and 20% of the total salads were sold were Caesar. Therefore, 20% of 25 is 5, making the total number of salads sold equal to 25.

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How do you simply -12x=12x into an x='s answer?
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A quadrilateral has angle measures of 102°, 84°, and 77°. What is the measure of the fourth angle?

Answers

Answer:

Measure of the 4th angle = 360-(102+84+77)

= 360-263

= 97°

Hope this helps!

Round each addend to the nearest whole number and estimate the sum
19.43+11.5+3.08

Answers

19+12+3=34

because 11.5 is right between 11 and 12 you always round up

Kristina, Liz, and Heather all made cookies. Kristina made 2.4 dozen less than 6 times as many dozen as Heather. Liz made 1.8 dozen more than 5 times as many dozen as Heather. If Kristina and Liz made the same number of cookies, how many dozen cookies did Heather make?

Answers

Answer:

Based on the number of cookies each girl made and if Kristina and Liz made the same number of cookies, then Heather made 4.2 dozen cookies.

Step-by-step explanation:

In order to find the number of cookies that Heather made, you need to set up two equations that represent the number of cookies that Kristina and Liz each made. Since Kristina made 2.4 dozen less than 6 times as many dozen as Heather, we can represent that with the equation 6c - 2.4. Since Liz made 1.8 dozen more than 5 times as many dozen as Heather, we can represent that with the equation 5c + 1.8. We can set both equations equal to each other since Liz and Kristina made the same number, so 6c - 2.4 = 5c + 1.8. Solving for 'c', which represents how many dozen cookies Heather made, we get 4.2

Fiecare dintre cei 26 de baieti si 14 fete care au participat la excursia de la Bran au adunat câte 5 pietricele pentru acvariul clasei.Cate pietricele sunt in total?Calculează în două moduri.

Answers

26+14=40
40*5=200 pietricele
Sau
26*5=130
14*5=70
130+70=200pietricele

the answer is 35 of whatever u said

Solve each equation. Write null if the equation has no solution. Write all if all numbers solve the equation. Write fractions in simplest form.1) 33+a=12a
2) -6n+2=4n-5
3) 2.4b-7=b+15.4
4) 4m/6=m+3
5) 4p+1/4=6p
6) 24-c=2(3+4c)
7) 3(5-2y)=4(y+20)
8) 5(2x+3)=3(x+2)+7x+9
9) 4(3k+6)=12(5+k)
10) 3(2n+4)+2n+56

PLEASE HELP ME WITH THIS QUESTION!!!!!!!

Answers

1) 33+a=12a
33 = 11a
33/11 = a
a = 3

2) -6n+2=4n-5
2 = 10n-5
7=10n
n = 7/10
n = 0,7

3) 2.4b-7=b+15.4
2.4b=b+22.4
1.4b=22.4
b = 22.4/1.4
b = 16

How do I solve x^2 = 2x + 6?

Answers

Work is attached....

x^2-2x-6=0
D = b^2 - 4ac

a= 1
b= -2
c=-6

D= -2^2 - 4 *1* -6
D = 4 +24
D= 28

x1 = -b+ $√(D)$ / 2a
x1= 2 + 5,29 / 2
x1 = 7,29/2
x1= 3,645

------------------
x2= $(-b- √(D) )/(2a)$

x2= 2- 5,29 / 2

x2=-3,29/2
x2=-1,646

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