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Paha777 [63]
3 years ago
8

Simplify the expression -5d+3c-4d

Mathematics
2 answers:
Tasya [4]3 years ago
8 0
Subtract 4d From -5d

Answer:3c-9d
Sever21 [200]3 years ago
5 0

Answer:

4d i think im not sure???hoped it helped?

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Katherine and Crystal do landscaping. They recently earned $1472 for a project. If Katherine earned $5 for every $3 earned by Cr
Degger [83]

Answer:

Katherine: 920

Crystal: 552

Step-by-step explanation:

The total amount earned by each is 1472

The ratio of the earnings is Katherine / Crustal = 5/3

The total number of shares = 5 + 3 = 8

So the proportion for Katherine

5/8 = x / 1472                Cross multiply

8x = 5 * 1472

8x = 7360

x = 7360/8

x = 920

And the proportion for Crystal is

3/8 = x / 1472                 Cross multiply

8x = 3 * 1472

8x = 4416

x = 4416 / 8

x =  552

4 0
3 years ago
Look at the comparison below3/10 is this comparison statement correct
bixtya [17]
What statement? 3/10

?
3 0
3 years ago
Read 2 more answers
The bar diagram represents 24 hours in one day and shows a mark at 30%If you sleep 30% of the day, how many hours do you sleep?
horrorfan [7]

Let:

100%---------------->24h

30%------------------>xh

Using cross multiplication:

\begin{gathered} \frac{100}{30}=\frac{24}{x} \\ solve_{\text{ }}for_{\text{ }}x\colon \\ x=\frac{30\cdot24}{100} \\ x=\frac{720}{100}=7.2h \end{gathered}

8 0
1 year ago
Maritza remembers her PIN because it is between 1,000 and 1,500 and it is the product of two consecutive prime numbers. What is
valentina_108 [34]

Answer:

<em>The PIN is 1147</em>

Step-by-step explanation:

<u>Prime numbers</u>

These are integer numbers that only divide exactly by themselves and by 1. To find the first possible prime number between 1,000 and 1,500, calculate the square root of 1,000.

\sqrt{1000}\approx 31.6

Thus, the first prime to consider is 31. Write the consecutive primes from 31:

31 , 37 , 41 , 43

We can see the only two consecutive primes whose product lies in the given interval are 31 and 37. Thus, the PIN is 31*37=1147

4 0
3 years ago
Find all the real square roots of 0.0009
motikmotik
Let A = 0.0009, it is equivalent to A = 9^-4 =  (9^-2)^2
so sqrt A =sqrt (9^-2)^2 = (9^-2)  
<span>he real square roots of 0.0009 is 0.09</span>
6 0
3 years ago
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