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Fittoniya [83]
2 years ago
14

Thad is Mac d a d d y

Mathematics
2 answers:
madreJ [45]2 years ago
8 0

Answer:

What

Step-by-step explanation:

alexandr1967 [171]2 years ago
4 0

Answer:

Interesting

Step-by-step explanation:

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Which property justifies the following statement?<br> If x = 2, and y = 3x - 11, then y = 3.2 - 11.
irina [24]

Answer:

Transitive property

But it looks like substitution.

Step-by-step explanation:

3 0
3 years ago
Please help<br>mathematics ​
fomenos
<h3>Given:</h3>
  • Trapezium
<h3>To find:</h3>
  • Length of BC
  • Value of "x"
<h3>Solution:</h3>

We can divide the given shape into a triangle and a rectangle.

We'll have to use Pythagoras Theorem.

\large\boxed{Formula:{a}^{2}={b}^{2}+{c}^{2}}

In this question we have to find the hypotenuse so we'll have to add.

Let's substitute the values according to the formula.

BC= {6}^{2}+{7}^{2}

BC= 85

BC =  \sqrt{ 85}

\boxed{BC=9.22 \: cm}

Now, we can find the value of "x"

  • Adjacent= 7 cm
  • Opposite= 6 cm
  • Hypotenuse= 9.22 cm

We can use any one from SOHCAHTOA.

Here I'm using tan.

\large\boxed{Formula: tan(a)= \frac{opp}{adj}}

Let's substitute the values according to the formula.

tan \: x= \frac{6}{7}

We'll have to use tan inverse.

x= {tan}^{-1}(\frac{6}{7})

\boxed{x=40.6°}

4 0
3 years ago
Read 2 more answers
On the first january 2014 carol invested some money in a bank account the account payes 2.5% compound interest per year on 1st j
Sladkaya [172]

Answer:

$23,360

Step-by-step explanation:

Calculation to determine how much carol originally invested in the account

First step is to divide £23517.60 by 1.025

= (23,517.60)/(1+.025)

= (23,517.60)/1.025

=$22,944

Second step is to add back the $1,000 withdrew

=$22,944+$1,000

=$23,944

Now let calculate how much carol originally invested in the account

$23,944=1.025P

Divide both side by 1.025

P=$23,944/1.025

P=$23,360

Therefore the amount that carol originally invested in the account is $23,360

4 0
3 years ago
Which value must be added to the expression x2 + x to make it a perfect-square trinomial?
ziro4ka [17]
X² + x + ...m

x² + x + 1/4
\/x² = x
\/(1/4) = 1/2
2*x*1/2 = 2x/2 = x

x² + x/2 + 1/4
7 0
4 years ago
Read 2 more answers
There are 20 guests at a party. The host has 8 gallons of punch. He estimates that each guest will drink 2 cups of punch. If his
mars1129 [50]
8 gallons = 128 cups
20 guests x 2 cups= 40 cups of punch estimated
128 cups-40 cups = <span>88 cups left over.</span>
7 0
4 years ago
Read 2 more answers
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