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2 years ago

What number can be placed in the blank to make the value of -13 and negative number

Mathematics

1 answer:

Ostrovityanka [42]2 years ago

8 0

I need more information

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Could someone help me understand how to solve this?

monitta

Answer:

Amount in 4% account: $550

Step-by-step explanation:

Use simple interest formula $I=P\cdot r\cdot t,$ where

I = interest

P = principal

r = rate (as decimal)

t = time.

<u>4% account:</u>

$P_1=x\\ \\r_1=0.04\\ \\t_1=1,$

then

$I_1=x\cdot 0.04\cdot 1=0.04x$

<u>5% account:</u>

$P_2=1,500-x\\ \\r_2=0.05\\ \\t_2=1,$

then

$I_2=(1,500-x)\cdot 0.05\cdot 1=0.05(1,500-x)$

You have earned $69.50 in total, so

$I_1+I_2=69.50\\ \\0.04x+0.05(1,500-x)=69.50\\ \\4x+5(1,500-x)=6,950\\ \\4x+7,500-5x=6,950\\ \\4x-5x=6,950-7,500\\ \\-x=-550\\ \\x=550\\ \\1,500-x=1,500-550=950$

Amount in 4% account: $550

Amount in 5% account: $950

8 0

3 years ago

A 52 foot ladder is set against the side of a house so that it reaches up 48 feet. If Jace

Alik [6]

Answer:

34.3

Step-by-step explanation:

8 0

2 years ago

-5 = x divided by 2.4

snow_tiger [21]

Answer:

x=12

Step-by-step explanation:

-5= x/2.4

multiply both sides by 2.4 to isolate x

-5*2.4= (x/2.4)*2.4

12=x

5 0

3 years ago

What is the slope of the line that contains the points (12, 17) and (-8, -17)?

kherson [118]

Answer:

1 7⁄10 = m

Step-by-step explanation:

m = -y₁ + y₂\-x₁ + x₂ → -17 - 17\-12 - 8 >> 1 7⁄10

-34 -20

I am joyous to assist you anytime.

3 0

2 years ago

Midpoint of the segment whose endpoints are (6,9) and (-4,16)

pychu [463]

Answer:

(4,5)

Step-by-step explanation:

(xa+xb/2,ya+yb/2)

(0+8/2,2+8/2)

(8/2,10/2)

(4,5)

hope this helps

3 0

3 years ago