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Grace [21]
2 years ago
8

7-2y>3y+13 y = -1 true or false

Mathematics
1 answer:
givi [52]2 years ago
5 0

Answer:

false: 9>10

Step-by-step explanation:

You might be interested in
What is the answer?
Bad White [126]

Answer:

k=3

Step-by-step explanation:

+ we note f(p)= p^{4}+p^{2}  +p -k

+ Because of "p-1 is a factor of f(p)", that means f(p)= (p-1)* g(p)

Then we have f(1)= (1-1)*g(1)= 0* g(1)= 0

+ We replace p=1 in f(p) and we have:

f(1)=0

that means: 1^{4}+1^{2} + 1 - k=0

then 1+1+1-k = 0, 3-k=0 or k=3

Hope that useful for you.

8 0
2 years ago
Ten boys agree to paint the gym in 5 days. If five more boys join in before the work begins, how many days should the painting t
Ganezh [65]

Answer:

30

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Solve the following: S5 for 600 + 300 + 150 + .
Tresset [83]
600 + 300 + 150 + . . . is a geometric sequence with a = 600 and r = 1/2
Sn = a(1 - r^n)/(1 - r)
S5 = 600(1 - (1/2)^5)/(1 - 1/2) = 600(1 - 1/32)/(1/2) = 1,200(31/32) = 1,162.5
8 0
3 years ago
A rectangle has a height of 2y^3+5 and a width of y^3+6y.
vova2212 [387]

Answer:

in polynomial form

Step-by-step explanation:

if you have any question then reply me

4 0
3 years ago
Read 2 more answers
A survey of 260 families show that 99 had dog 76 had cat 34 had dog and cat 98 had neither a cat nor a dog nor a parakeet 8 had
Archy [21]

Answer:

<u>Option D. 21</u>

Step-by-step explanation:

The question is as shown in the attached figure 1

The Venn diagram representing the problem is the attached figure 2

D ⇒ Dog , C⇒ Cat  and P ⇒ parakeet

Let the The families had parakeet only = X

A survey of 260 families show that:

99 had dog

76 had cat

34 had dog and cat

98 had neither a cat nor a dog nor a parakeet

8 had a cat a dog and a parakeet

So,

The families had a dog and a cat only = 34 - 8 = 26

The families had a dog only = 99 - (26 + 8 ) = 65

The families had a cat only = 76 - (26 + 8) = 42

∴ X = 260 - ( 98 + 8 + 26 + 65 + 42 ) = 260 - 239 = 21

So, The families had a parakeet only = 21

<u>The answer is option D</u>

5 0
3 years ago
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