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ipn [44]
3 years ago
13

Holly was given $5 000 by her parents for savings towards college. She invested part of the money in a government bond that paid

6% simple interest every year, and the rest in a bank account that paid 3% simple interest each year. After one year, the investments had earned a total of $225. How much was invested in each plan?
Mathematics
1 answer:
Elza [17]3 years ago
8 0

Answer:

2500 x 1.06 + 2500 x 1.03

Step-by-step explanation:

2500 x 1.06 = 150

150 x .5 (half the simple interest) = 75

150 + 75 = 225

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I will give extra points please help
forsale [732]

Answer:

13

Step-by-step explanation:

b= 3

3x3= 9

9+4= 13

3x3+4=13

Hope this helps

7 0
3 years ago
Find the obtuse angle the line y-2x=7 makes with the x- axis
Kazeer [188]
In analytical geometry, there are already derived equations to find the distance of lines and points as well as the angle made between two lines. As special case is when the other line is one of the coordinate axis. Then, the formula can be simplified to

tan θ =m, where m is the slope of the equation

In the next step, we also incorporate operations of calculus. Since the slope is equal to Δy/Δx, this is equivalent to dy/dx in calculus. Therefore, you can find the slope by differentiating the equation in terms of x.

<span>y-2x=7
y = 2x+7
dy/dx = 2 =m

So,

tan </span>θ = 2
θ = tan⁻¹(2)
θ = 63.43°
5 0
3 years ago
Some one help please! Have sitting for 1 hour and don’t know this. Its new to me. Aack. I will put u as brainliest if you answer
Sever21 [200]
For the first one to find the total area you have to first find the area of the triangle 1/2(10x12.5)=62.5 and then the square (13.4x12.5)=167.5 which is 10468.75 totaled
8 0
3 years ago
Read 2 more answers
GIVING BRAINLIST ASAP
Paraphin [41]

Answer:

8%

Step-by-step explanation:

70.20−65.00=5.20

(5.20/65.00)×100=8

4 0
3 years ago
Read 2 more answers
AngleRQT is a straight angle. What are m angleRQS and m angleTQS?<br><br> m angleRQS=
lara31 [8.8K]

\widehat{RQS}+\widehat{TQS}=\widehat{RQT}\\\Leftrightarrow 9x + 1 + 7x + 3 = 180 \\ \widehat{RQS}+\widehat{TQS}=\widehat{RQT}\\\Leftrightarrow 16x = 176\Leftrightarrow x = 11 \\ \Rightarrow \widehat{RQS} = 9 \times 11 + 1 = 100° \: \wedge \: \widehat{TQS} = 7 \times 11 + 3 = 80°

4 0
3 years ago
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