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IRINA_888 [86]
3 years ago
11

I need help with 1 2 3 please 15 POINTS

Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0

Answer:


Step-by-step explanation:

Number 1:

In this figure you have 5 squares and 6 circles when you count them. The remaining triangles are just distractions to lead you away from the answer.

So, the answer is very simple, it is #of squares/#of circles, which is nothing but option B. 5/6.

Number 2:

It is nearly the same question as number 1, but just that students and teachers are in place of squares and circles.

We have 4 teachers and 35 students, and the question is asking for the ratio of students to teachers, which is (# of students/# of teachers) 35/4, option C.

Number 3:  

For some reason I am not able to see it, but I would appreciate it if you can take a better picture and post it so that I can help.

ddd [48]3 years ago
3 0
Heya!!!


Answer to your question:

1. No. of squares=5
No. of circles=6

Ratio of squares to circles is 5 to 6

So answer is
B. 5 to 6.

2.No. of students=35
No. of teachers =4

Ratio of students to teachers=No. of students/No. of teachers
=35/4

so answer is
C. 35/4


Hope it helps ^_^

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A drilling crew dug to a depth of 26 ½ feet during their first day of drilling. On the second day, the crew dug down 9½ feet mor
Neporo4naja [7]

The depth of the bottom of the hole after the second day is 36 feet using addition operation.

<h3>What is addition?</h3>

In math, addition is the process of adding two or more integers together. Addends are the numbers that are added, while the sum refers to the outcome of the operation.

Given the depth on the first day is 26 ½ feet.

Depth on the second day = 9½ feet more than on the first day i.e. 9½ feet + depth on the first day

This implies, depth on the second day = 9½ + 26 ½

= 36 feet

Therefore, the depth of the bottom of the hole after the second day is 36 feet.

To learn more about addition, visit:

brainly.com/question/25621604

#SPJ9

5 0
2 years ago
2. CHEMISTRY How many liters of 15% acid and
Wewaii [24]

Answer:  

<h3>         26²/₃ liters of 15% acid and 13¹/₃ liters of 33% acid</h3>

Step-by-step explanation:

Concentration            Amount of             Amount

of Solution                   Solution (L)             of Acid

    15%                                x                         0.15x

    33%                               y                         0.33y

    21%                              40                      0.21•40      

       

x + y = 40    ⇒  x = 40 - y

0.15x + 0.33y = 0.21•40

0.15(40 - y) + 0.33y = 0.21•40

6 - 0.15y + 0.33y = 8.4

  0.18y = 2.4

        y = 13¹/₃

x = 40 -  13¹/₃ = 26²/₃

8 0
3 years ago
Can I get help on 37 please someone
GaryK [48]

Answer:

B

Step-by-step explanation:

B is the correct answer.

8 0
4 years ago
If sales tax is 7.75%, what is the total cost of an 11$ purchase including tax?
Akimi4 [234]

Answer:

$11.8525

Step-by-step explanation:

To find the total price of purchase including sales tax, we need to add sales tax to our total. This can be done as follows: Purchase price + percentage of purchase price as according to sales tax. In the case of your problem, this takes the form of $11 + 0.0775(11). This expression is equivalent to 11.8525.

7 0
3 years ago
Read 2 more answers
Plz help I need bt tonight
JulijaS [17]

The answer is 25%.

First: work out the difference between the two numbers you are comparing.  

Decrease = Original Number - New Number

35-28=7


Then: divide the decrease by the original number and multiply the answer by 100.  % Decrease = Decrease ÷ Original Number × 100


7÷

28=.25

.25*100=25

<h2>Answer is 25%.</h2>
7 0
3 years ago
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