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Lilit [14]
2 years ago
5

PLS SOMEONE HELP I DO NOT UNDERSTAND PLS AND TY ASAP PLS PLS I WILL GIVE BRAINLIST AND PLS DONT BE A BOT

Mathematics
1 answer:
Kruka [31]2 years ago
8 0

Answer:

35°

Step-by-step explanation:

The central arc is equal to the arc that subtends it, then

arc AC = 75° and

BC = AC - AB = 75° - 40° = 35°

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8) Tammy uses 1 3/4 cups of laundry detergent per load. When she was finished
mina [271]

Tammy uses 1 3/4 cups of laundry detergent. The number of loads is 4

<u>Solution:</u>

Given that, Tammy uses 1 3/4 cups of laundry detergent per load.  

When she was finished doing laundry one day.  

She noticed that she had used 7 cups of laundry detergent.  

We have to find how many loads did she do?

Now, we know that, Total cups used can be written as:

<em> </em>number of loads x number of cups per each load = total cups used.

\begin{array}{l}{\text { Then, number of loads } \times 1 \frac{3}{4}=7} \\\\ {\text { Number of loads } \times \frac{1 \times 4+3}{4}=7} \\\\ {\text { Number of loads } \times \frac{7}{4}=7} \\\\ {\text { Number of loads }=7 \times \frac{4}{7}=4}\end{array}

Hence, the number of loads are 4.

6 0
3 years ago
What is 3x +2 (5x -7) simplified
Anvisha [2.4K]

Answer:

16x - 14

Step-by-step explanation:

3x + 10x + -14 + 3x

16x - 14

7 0
3 years ago
Help please!! I don't understand the meaning! Please describe what you did too please!!
Phoenix [80]
I suggest using an app for math to solve problems like this they r helpful for example PhotoMath and Socratic
6 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 2^−4·2^2?
Ede4ka [16]

Answer: the answer is 6)

Step-by-step explanation:

Because 2x^{-4} . 2x^{2} = 2x^{-4+2} = 2x^{-2}

I hope it right

5 0
3 years ago
How do I do this qn?
denis-greek [22]
You can take the log of the left and right hand side, and then apply the <span>logarithm rules:

log(a</span>ˣ) = x·log(a)
log(ab) = log(a) + log(b)

log(9^(x-1) * 2^(2x+2)) = log(6^(3x))
log(9^(x-1)) + log(2^(2x+2)) = 3x log(6)
(x-1) log(9) + (2x+2) log(2) - 3x log(6) = 0
x(log9 + 2log2 - 3log6) = log9 - 2log2
x = (log9 - 2log2) / (log9 + 2log2 - 3log6)

simplifying by writing log9 = 2log3 and log6 = log2+log3

x= 2(log3 - log2) / (2log3 + 2log2 - 3log2 - 3log3) = 
x= -2(log3 - log2) / (log3 + log2) = -2 log(3/2) / log(6)

So 6^x = 4/9
3 0
3 years ago
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