All categories

2 years ago

Write an equation that has addition and multiplication and has the solution x=-2

Mathematics

2 answers:

RoseWind [281]2 years ago

3 0

Answer:

tart with the solution

x=-2

use the reverse of what they asked

they wanted division and addition

we use multiplication and subtract

x=-2

we can use subtraction and multiplication in any order

minus 10 from both sides

x-10=-35

multiply both sides by 4

4(x-10)=-140

4x-40=-140 is a possible equation

Step-by-step explanation:

Lorico [155]2 years ago

3 0

If you’re looking for any equation in general, you could do (x+2)(x+2)=0 {(x+2)^2=0)} this would be an equation that has multiplication and a solution of x=-2.

You might be interested in

James has just sold his motorbike for £1,890. He bought the motorbike for £2,700. What was his percentage loss? %

Usimov [2.4K]

£2.700 - £1890 = £810

<span>£ (money) -------------- percentage (%)
</span>2.700 -------------------- 100
810 ----------------------- x

2700*x = 810*100
2700x = 81000
$x = \frac{81000}{2700}$
$\boxed{x = 30}$

Answer:
Percentage loss = 30%

6 0

3 years ago

Can some please help me I will mark u brilliant

brilliants [131]

Question 2: -4/3

Question 3: -7/20

6 0

3 years ago

dalvyx [7]

Answer:

38 is the correct solution

3 0

2 years ago

Find the area of a triangle whose sides are 5 m, 6 m and 9m,( use root 2 =-1.41 m)

dlinn [17]

The area of the triangle is 14.1 square meters

<h3>How to determine the triangle area?</h3>

The side lengths are given as:

5m, 6m and 9m

Calculate the semi-perimeter (s) using

s = (5 + 6 + 9)/2

Evaluate

s = 10

The area is then calculated as:

$Area = \sqrt{s(s -a)(s-b)(s-c)$

This gives

$Area = \sqrt{10 * (10 -5)(10-6)(10-9)$

Evaluate the products

$Area = \sqrt{200$

Evaluate the exponent

Area = 14.1

Hence, the area of the triangle is 14.1 square meters