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marissa [1.9K]
3 years ago
11

Please Help!!

Mathematics
1 answer:
kirill115 [55]3 years ago
3 0

Answer:

x=10 x=5

Step-by-step explanation:

absalute value is the numarical distance away from 0

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Find any three rational numbers between 1/4 and 1/2
cluponka [151]

Answer:

12/40, 15/40, 18/40

Step-by-step explanation:

1/4, 1/2 = 1/4, 2/4

Since, Three rational numbers cannot come in between 1/4 and 2/4, we multiply them with 10.

∴ 1/4 × 10 = 10/40

∴ 2/4 × 10 = 20/40

∴ Three rational numbers between 10/40 and 20/40 = 12/40, 15/40, 18/40

(You can add more numbers from between 10/40 and 20/40 if you need)

7 0
3 years ago
Laura found 12 shells on a trip to the beach. these seashells represent 1/4 of the shells in her whole collection. how many shel
Andru [333]
12x4=48-seashells Laura has in her collection
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3 years ago
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Find the exact roots of x²-2x-10=4x​
BARSIC [14]

Answer:

x =  3 -  \sqrt{19}  \:  \: or \:  \: x = 3 +   \sqrt{19}

Step-by-step explanation:

The given equation is

{x}^{2}  - 2x - 10 = 4x

We group the linear terms to get:

{x}^{2}  - 2x - 4x - 10 = 0

{x}^{2}  - 6x - 10 = 0

We compare to

a {x}^{2}  + bx + c = 0

This means

a=1, b=-6 and c=-10

We plug in the values into the quadratic formula:

x =  \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}

This gives us

x =  \frac{ - -6 \pm \sqrt{ {( - 6)}^{2} - 4 \times 1 \times  - 10 } }{2 \times 1}

x =  \frac{ 6 \pm \sqrt{ 36 + 40 } }{2}

x =  \frac{ 6 \pm \sqrt{76 } }{2}

x =  \frac{ - 6 \pm 2\sqrt{19} }{2}

x = 3 \pm \sqrt{19}

The solutions are

x =3 +  \sqrt{19}

or

x = 3 -  \sqrt{19}

7 0
3 years ago
Solve the equation 4=t/2.5 t=
julia-pushkina [17]

Answer:

10

Step-by-step explanation:

Multiply 4 by 2.5 to get 10

8 0
3 years ago
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There are 4 chairs, but only 3 tables. Write the ratio of chairs to tables
lana66690 [7]

Answer:

4:3

Step-by-step explanation:

4:3 ratio of chairs to tables

7 0
3 years ago
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