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In-s [12.5K]
3 years ago
13

Reduce to simplest form. -3/7 + (-3/4) = __ (They are fractions)

Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0

Answer:

-5/25

Step-by-step explanation:

-3/7=-16/24

-3/4=-21/24

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BRAINLIEST
____ [38]

Answer:

For upper bound, the length is 88.5 cm and width is 49.5 cm

For lower bound, the length is 87.5 cm and width is 48.5 cm

6 0
2 years ago
Write a recursive formula for the following arithmetic sequence.<br> 8, 5, 2, −1,
Kamila [148]

Answer:

a_{n} = a_{n-1} - 3

Step-by-step explanation:

A recursive formula allows a term in the sequence to be found from the previous term by adding the common difference to it.

Here d = 5 - 8 = - 3, thus

a_{n} = a_{n-1} - 3 with a₁ = 8 ← recursive formula

8 0
4 years ago
Find the area, in square inches, of the following composite figure.
Mama L [17]
I think the answer it’s 15 in not 100% sure tho
8 0
3 years ago
5. The mapping f: xax² + bx + c defined on the set of real numbers is such that f(0) = -4,f(1)-1 and/(-1)= -5. Find a, b and c.
Marrrta [24]

It looks like you're saying

f(x) = ax^2 + bx + c

and you're asked to find a,b,c given f(0)=-4, f(1)=-1, and f(-1)=-5.

Evaluate f at the three given points:

x=0 \implies f(0) = \boxed{c = -4}

x=1 \implies f(1) = -1 = a + b + c \implies a+b = 3

x=-1 \implies f(-1) = -5 = a - b + c \implies a - b = -1

(a+b) + (a-b) = 3 + (-1) \implies 2a = 2 \implies \boxed{a=2}

a-b = -1 \implies \boxed{b=3}

and the mapping is f(x) = 2x^2 + 3x - 4.

5 0
2 years ago
A number cube is tossed and a spinner is spun. What is the probability of getting a 3 or 4 on the number cube and not getting 8
Rufina [12.5K]

Answer:

7/24

Step-by-step explanation:

Given in the question,

a number cube is tossed and a spinner is spun.

Cube have 6 in numbers

1 2 3 4 5 6

probability of having 3 or 4 = 2/6

                                             = 1/3

                           

Spinners are commonly made with 6, 8, 10 and 12 flat surfaces.

If a spinner has 8 flats then you have a 7/8 chance of not getting an 8.

Probability of getting a 3 or 4 on the number cube and not getting 8

"and" mean multiplication

7/8 x 1/3

7/24

5 0
3 years ago
Read 2 more answers
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