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Sindrei [870]
3 years ago
11

Estimate the sum of 1 2/3+3 2/7

Mathematics
2 answers:
Mashcka [7]3 years ago
8 0

Answer:

the answer is 104/21  or 4 20/21

Step-by-step explanation:

ExtremeBDS [4]3 years ago
3 0

Answer:

4 3/10

Step-by-step explanation:

I hope this helps you out!

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Insert parentheses into the expresstion 15+3-6×4 to make it equal 48​
Nat2105 [25]

Answer:

(15+(3-6))x4

Step-by-step explanation:

1. 3-6 = -3

2. 15+-3 = 12

3. 12x4 = 48

8 0
3 years ago
What is the simplest form of this expression? (x 7)(3x − 8) a. 3x2 2x − 15 b. 3x2 29x − 1 c. 3x2 − 29x − 56 d. 3x2 13x – 56
garri49 [273]
Assuming that the equations are (x+7) and (3x-8) because the first equation does not have a sign these are the steps. When you multiply you will get 3x^2+21x-8x-56. After this you will simplify and you will get your final answer which is 3x^2+13x-56. Also if I used the wrong equations please let me know and I can help you with the correct ones.
7 0
2 years ago
Write each sum or difference as a product with positive arguments -4(sin4x - sin2x) A) 8cos 3xsin x B) 8sin xsin 3x C) -8cos 3xs
pshichka [43]

Answer:

C) -8cos 3xsin x

Step-by-step explanation:

To express -4(sin4x - sin2x)  as a product, we use the formula sinA - sinB = 2cos[(A + B)/2]sin[(A - B)/2.

Comparing sin4x - sin2x with sinA - sinB, A = 4x and B = 2x.

Substituting these into the equation, we have

sin4x - sin2x = 2cos[(4x + 2x)/2]sin[(4x - 2x)/2

sin4x - sin2 x = 2cos[6x/2]sin[2x/2]

sin4x - sin2x = 2cos3xsinx

So, -4(sin4x - sin2x) = -4(2cos3xsinx) = -8cos3xsinx

So, -4(sin4x - sin2x) = -8cos3xsinx

Thus, the answer is C

5 0
3 years ago
A line with a slope of -4 passes through the point
Viktor [21]

Answer:

y = -4x - 22

Step-by-step explanation:

m = -4

using (-6,2)

Slope-intercept: y = mx + b

2 = -4(-6) + b

2 = 24 + b

b = -22

y = -4x - 22

4 0
2 years ago
I need help with this question.
strojnjashka [21]

Step-by-step explanation:

\frac{1}{4}  =  \frac{1 \times 5}{4 \times 5} =  \frac{5}{20}  \\  \\  \frac{2}{5}  =  \frac{2\times 4}{5 \times 4} =  \frac{8}{20} \\  \\   \because \: 5 < 8 \\  \therefore \: \frac{5}{20}   < \frac{8}{20} \\  \\  \huge \red{ \boxed{\therefore \: \frac{1}{4}   < \frac{2}{5}}}

8 0
3 years ago
Read 2 more answers
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