All categories

3 years ago

PLEASE HELPPPP !!!!!!!!!

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

3 0

Answer:

negative 7

Step-by-step explanation

malfutka [58]3 years ago

3 0

Answer:

x=-7

Step-by-step explanation:

3/4(x+21)=10 1/2

3/4x+15 3/4 = 10 1/2

(I put them in improper form)

3/4x+63/4 = 42/4

3/4x=-5.25

divide -5.25 by 3/4= x=-7

You might be interested in

Describe how to use a tens fact to find the difference for 15 - 8

mojhsa [17]

You can make a mathmatical tree

3 0

3 years ago

Can anyone pls help me in math<3

FinnZ [79.3K]

Answer:

Third number is 12

Step-by-step explanation:

Let $\displaystyle \large{d}$ be common difference & $\displaystyle \large{x}$ be the third number. Set up the following equations:

$\displaystyle \large{x-2d=-2 \to (1)}\\\\\displaystyle \large{x+2d=26 \to (2)}$

Solve the simultaneous equation for x-term:

$\displaystyle \large{2x=24}\\\\\displaystyle \large{x=12}$

Let’s make sure that we get accurately answer. Substitute x = 12 in any equations which I’ll choose (1):

$\displaystyle \large{12-2d=-2}\\\\\displaystyle \large{-2d=-14}\\\\\displaystyle \large{d=7}$

Now add each terms with common difference as 7:

-2+7 = 5

5+7 = 12

12+7 = 19

19+7 = 26

So our pattern is -2, 5, 12, 19, 26. Since the question only asks for third number then the answer is 12

8 0

3 years ago

$10,000 is invested at two different rates. $2,500 is invested at 4%, and the rest is invested at 5%. How much interest is earne

viva [34]

So, what we have to do is split 10000
0.04(2500) + 0.05(7500)
Multiply:
100 + 375 = 475
$475 is made in one year

6 0

4 years ago

2 doctors is ______% of 25 doctors

nirvana33 [79]

Answer:

12.5%

Step-by-step explanation:

8 0

3 years ago

What is this number written in word form? 4,139,000 no links

Sveta_85 [38]

Answer:

Step-by-step explanation:

cyxctx9otxfizfizgbjmkk

3 0

3 years ago

Read 2 more answers