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vfiekz [6]
3 years ago
6

Please help solve these ​

Mathematics
2 answers:
Arisa [49]3 years ago
6 0

Answer:

16. 5.1b + 0.8

17. x

Step-by-step explanation: All you have to do is add the common values 3.2b and 1.9b

kondaur [170]3 years ago
3 0
The correct answers are the ones he gave you
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Point R is on line segment QS. Given RS = 13 and QS = 20, determine the length of QR
Aleksandr-060686 [28]

Answer:

Length of QR = 7

Step-by-step explanation:

20 - 13 = 7

6 0
3 years ago
Use the zero product property to find the solutions to the equation 2x2 + x-1 = 2
algol [13]

Answer:

see explanation

Step-by-step explanation:

Given

2x² + x - 1 = 2 ( subtract 2 from both sides )

2x² + x - 3 = 0

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 3 = - 6 and sum = + 1

The factors are - 2 and + 3

Use these factors to split the x- term

2x² - 2x + 3x - 3 = 0 ( factor the first/second and third/fourth terms )

2x(x - 1) + 3(x - 1) = 0 ← factor out (x - 1) from each term

(x - 1)(2x + 3) = 0

Equate each factor to zero and solve for x

x - 1 = 0 ⇒ x = 1

2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = - \frac{3}{2}

3 0
3 years ago
Read 2 more answers
What is the measure of
kipiarov [429]

Answer:

The measure of oh is the measure of the measurements of the measurement periodt

Step-by-step explanation:

7 0
3 years ago
What is 1/4 + 5/6 equals what
Alex

Answer:

1 1/12

Step-by-step explanation:

You need to find a common denominator that fits both 1/4 and 5/6. We know that 12 fits both, so we multiply each to get it, for example:

1/4 = 3/12

5/6 = 10/12

Now we say 3/12 + 10/12 = 13/12 and simplify to get 1 1/12

6 0
3 years ago
Read 2 more answers
Lara has three cats: Socks, Princess, and Luna. The ratio of Sock's weight to Princess's weight is 4:5. The ratio of Princess's
romanna [79]
A = Sock's weight
b = Princess' weight
c = Luna's weight

a : b = 4 : 5
b : c = 6 : 7

at this point, we have to change the 2 ratios (a : b and b : c) into one ratio (a : b : c)
to do that, we have to change the ratio number so the number b in both ratio is the same

a : b = 4 : 5 = 24 : 30
b : c = 6 : 7 = 30 : 35
From that we can conclude that
a : b : c = 24 : 30 : 35

Since we're looking for the ratio of Sock's weight to Luna's weight, it will be
a : c = 24 : 35
6 0
3 years ago
Read 2 more answers
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