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3 years ago

Please help me with number two and three :)

Mathematics

1 answer:

Blababa [14]3 years ago

8 0

The answer to number 2 is:A as there is 1 pear for every three apples and
The answer to number 3: C. Since it also equals 0.6 which is the number eight games won in the first row divided by the number of games played in the first row

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In a choir, the ratio of boys to girls is 5 to 6. There are 10 boys in the choir. What is the total number of boys and girls in

lidiya [134]

Answer:

Step-by-step explanation:

Boys to Girls

5 to 6

10 to ?

Since 10 is twice as much as 5, we have to multiply the number of girls by 2. 6 times 2 is equal to 12. Then, since we need to find the total number of boys and girls, we have to add both sides. 10 (boys) plus 12 (girls) equals 22.

5 0

3 years ago

Read 2 more answers

What is the value of the expression ? expression is 1/5-5

Bingel [31]

$\frac{1}{5^{-5}} = 5^5 = 5\times 5\times 5\times 5\times 5= 25\times 25\times 5 = 625\times 5 = \boxed{3125}$

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3 years ago

Write the slope-intercept of the equation of the line through the given point with the given slope.

ch4aika [34]

Answer:

-5 = 2(-1) + b

Step-by-step explanation:

the slope-intercept form is writing as y = mx +b

3 0

3 years ago

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Find the values of x and y<br><br> 1-2i/ 2+i + 4-i/3+2i = x+iy

lina2011 [118]

Answer:

$x=\frac{10}{13}$ and $y=-\frac{24}{13}$

Step-by-step explanation:

The given complex number equation is:

$\frac{1-2i}{2+i}+\frac{4-i}{3+2i}=x+yi$

We simplify the LHS and compare with the RHS

We collect LCD on the left to get:

$\frac{(1-2i)(3+2i)+(4-i)(2+i)}{(2+i)(3+2i)}=x+yi$

$\frac{3+2i-6i+4+8+4i-2i+1}{6+4i+3i-2}=x+yi$

Simplify to get:

$\frac{16-2i}{4+7i}=x+yi$

Rationalize the LHS:

$\frac{(16-2i)(4-7i)}{(4+7i)(4-7i)}=x+yi$

Expand the numerator using the distributive property and the denominator using difference of two squares.

$\frac{64-112i-8i-14}{16+49}=x+yi$

Simplify to get:

$\frac{50-120i}{65}=x+yi$

$\frac{10-24i}{13}=x+yi$

$\frac{10}{13}-\frac{24}{13}i=x+yi$

By comparing real parts and imaginary parts; we have;

$x=\frac{10}{13}$ and $y=-\frac{24}{13}$

5 0

3 years ago

|x +2], if x>-1<br> Plz help

Fantom [35]

Answer:

Step-by-step explanation:

greater than 1 , is your teacher just giving you brain teaser questions? these seem like they are .. "out in the weeds" type of questions, not really useful math :/

3 0

3 years ago